TOPIC 9 DAY 2 MITOSIS AND CYTOKINESIS

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What is mitosis?

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells from a single parent cell.

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What are the main stages of mitosis?

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The main stages of mitosis are prophase, metaphase, anaphase, and telophase.

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What happens during prophase?

Back

During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope begins to break down, and the mitotic spindle starts to form.

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What occurs during metaphase?

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During metaphase, chromosomes align at the cell's equatorial plane, and spindle fibers attach to the centromeres of the chromosomes.

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What is anaphase?

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Anaphase is the stage where sister chromatids are pulled apart to opposite poles of the cell.

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What happens during telophase?

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During telophase, the chromosomes reach the poles, the nuclear envelope re-forms around each set of chromosomes, and the chromosomes begin to de-condense.

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What is cytokinesis?

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Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell divides into two daughter cells.

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How does cytokinesis differ in plant and animal cells?

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In animal cells, cytokinesis occurs through the formation of a cleavage furrow, while in plant cells, a cell plate forms to separate the two daughter cells.

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What is the role of the spindle fibers during mitosis?

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Spindle fibers help to separate the chromosomes during mitosis by attaching to the centromeres and pulling the sister chromatids apart.

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What is the significance of mitosis in multicellular organisms?

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Mitosis is essential for growth, development, and tissue repair in multicellular organisms.