Genetic Concepts: Species Variation, Heredity, and DNA Structure

Exploring genetic concepts such as species variation, heredity, and DNA structure through a quiz format, including topics like differences within populations, genetic codes, DNA composition, and inheritance principles. The questions cover a range of genetic terms and processes, providing a brief overview of key concepts in genetics.

• Genetics
• Species Variation
• Heredity
• DNA Structure
• Genetic Code

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1. 2.5.1 Variation of Species 2.5.2 Heredity and Gene Expression 2.5.3 Genetic Code 2.5.4 DNA Structure, Replication and Profiling Follow-Me iQuiz

2. Q. What term is used to describe differences within a population with respect to features such as height? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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4. Q. Explain the term species. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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6. Q. Give one cause of genetic variation. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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8. Q. Genetics is the study of ... Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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10. Q. True or False. Chromosomes are made of DNA and lipid Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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12. Q. Explain briefly what is meant by a gene? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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14. Q. Give one example of an inherited human characteristic. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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16. Q. What is meant by genetic screening? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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18. Q. Give two applications of DNA profiling. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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20. Q. What is meant by non-coding DNA? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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22. Q. Give one structural difference between DNA and RNA. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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24. Q. What are the two main events in the replication of DNA? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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26. Q. Name the complementary base in RNA for Adenine. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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28. Q. Name a carbohydrate that is a component of nucleotides. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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30. Q. What does the m stand for in mRNA? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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32. Q. True or False. Organisms of the same species can usually produce fertile offspring. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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34. Q. Name the complementary base in RNA for Cytosine. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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36. Q. Name a component of a nucleotide that is neither a carbohydrate nor a nitrogenous base. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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38. Q. What is a chromosome? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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40. Q. Give one example of a non-inherited human characteristic. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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42. Q. Explain what is meant by the term DNA profiling? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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44. Q. True or False. RNA is not found in ribosomes. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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46. Q. Name the four bases that are found in DNA. Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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48. Q. The bases in DNA form a triplet code. What is meant by a triplet code? Sexual reproduction; Gene or chromosome mutation; Genetic engineering Sexual reproduction; Gene or chromosome mutation; Genetic engineering Ability to roller skate Ability to roller skate Forensic science; Paternity; Medical Forensic science; Paternity; Medical Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Structure found in nucleus composed of DNA or genes; Hereditary material Adenine; Thymine; Guanine; Cytosine Guanine Guanine DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene DNA contains thymine; RNA contains uracil Testing people for the presence of a specific gene Inheritance; Heredity Inheritance; Heredity DNA opens/unzips New strands made Three bases code for one amino acid DNA opens/unzips & New strands made Three bases code for one amino acid Interbreeding results in fertile offspring Interbreeding results in fertile offspring Does not code for a protein TRUE Does not code for a protein TRUE Messenger Messenger Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Examining DNA for a pattern or band to compare Unit of heredity; Code for protein; Section of DNA Phosphate group Phosphate group Eye colour Uracil Eye colour Uracil Ribose; Deoxyribose Ribose; Deoxyribose Variation FALSE Variation FALSE

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