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Cell Division

Cell Division. Cell Division: Mitosis. Object: To study the various stages in mitotic division. Cell Division. In eukaryotes, cell division occurs in two major stages. The first stage, division of the cell nucleus, is called mitosis .

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Cell Division

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  1. Cell Division

  2. Cell Division: Mitosis • Object: To study the various stages in mitotic division

  3. Cell Division • In eukaryotes, cell division occurs in two major stages. • The first stage, division of the cell nucleus, is called mitosis. • The second stage, division of the cell cytoplasm, is called cytokinesis.

  4. Chromosomes • Genetic information is passed from one generation to the next on chromosomes. • Before cell division, each chromosome is duplicated, or copied.

  5. Chromosomes Sister chromatids • Each chromosome consists of two identical “sister” chromatids. • Each pair of chromatids is attached at an area called the centromere. Centromere

  6. Cell Cycle Cell Division

  7. Mitosis • Mitosis • Biologists divide the events of mitosis into four phases: • Prophase • Metaphase • Anaphase • Telophase

  8. Mitosis

  9. Mitosis Prophase Spindle forming Chromosomes (paired chromatids) Centromere

  10. Spindle forming Prophase Centromere Chromosomes (paired chromatids)

  11. Metaphase Centriole Spindle Centriole

  12. Centriole Metaphase Spindle

  13. Anaphase Individual chromosomes

  14. Individual chromosomes Anaphase

  15. Telophase Nuclear envelope reforming

  16. Telophase

  17. Cytokinesis

  18. Cytokinesis

  19. Cytokinesis in Plants Cell wall Cell plate

  20. Interphase Plant Cell Animal Cell

  21. Prophase Animal Cell Plant Cell

  22. Metaphase Animal Cell Plant Cell

  23. Anaphase Animal Cell Plant Cell

  24. Telophase Animal Cell Plant Cell

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