How Does Mitotic Cell Division Produce Genetically Identical Daughter Cells?

The chronosomes are duplicated during interphase, prior to mitotic cell division. A duplicated chromosome consists of two identical sister chromatids that remain attached to one another at the centromere during the early stages of mitotic cell division,
Prophase
1. The chromosomes condense and their kinetochores attach to spindle mictocubles, called kinetochore microtubles, that from at this time.
Metapahse
1. Kinetochore microtubules move the chromosomes to the equator of the cell.
Anaphase
1. The two chromatides of each duplicated chromosomes separteted and become independent chromosomes. The kinetochore microtubules move the chromosomes to opposite poles of the cell. Meanwhile, polar microtubules force the cell to elongate.
Telophase
1. The chromosomes decondense, and nuclear envelopes re-form around each new daughter nucleus.
Cytokinesis
1. Normally occurs at the end of telephase and divides the cytoplasm into approximately equal haves, eac containing a nucleus.
  1. In animal cells, a ring of microfilaments pinches the plasma membrane in along the equator. In plant cells, new plasma membrane forms along the equator by the fusion of verciles produced by the Golgi apparatus.

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	Erstellt von Camila Paz Noriega vor mehr als 5 Jahre