Understanding Mitosis: Cell Division Explained
Mitosis is the process of cell division crucial for growth and repair in living organisms. It consists of stages like Interphase, Prophase, Metaphase, Anaphase, and Telophase. Each stage plays a vital role in ensuring accurate replication and distribution of genetic material. Visualization of chromosomes, chromatids, and centromeres helps in comprehending the intricate details of mitosis.
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Presentation Transcript
Stages Of Mitosis Interphase - The in between stage - Originally metaphase was thought to be a resting stage now we know that this is the stage most cells spend their time in doing the things that cells do and, if they are preparing to divide, growing and replicating their DNA S Interphase G2 G1 M
Stages Of Mitosis Prophase - The beginning phase - DNA which was unraveled and spread all over the nucleus is condensed and packaged Metaphase - Middle stage - Condensed chromosomes line up along the equator of the cell Anaphase - One copy of each chromosome moves to each pole of the cell Telophase - End stage - New nuclear membranes are formed around the chromosomes and cytokinesis (cytoplasm division) occurs resulting in two daughter cells
Mother cell Stages Of Mitosis Nucleus with un- condensed chromosomes Condensed chromosomes Equator of the cell Interphase Poles of the cell Disappearing nuclear membrane Two Prophase daughter cells Mitotic spindle Metaphase Anaphase Telophase
Chromosomes, Chromatids and Centromeres A packaged chromosome Chromatid Identical chromatid Chromosome arm Two identical chromosomes Centromere Replication Anaphase Chromosome arm
