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In anaphase, the paired chromosomes (sister chromatids) separate and begin moving to opposite ends (poles) of the cell. Spindle fibers not connected to chromatids lengthen and elongate the cell. At the end of anaphase, each pole contains a complete compilation of chromosomes.

  • The paired centromeres in each distinct chromosome begin to move apart.

  • Once the paired sister chromatids separate from one another, each is considered a "full" chromosome. They are referred to as daughter chromosomes.
  • Through the spindle apparatus, the daughter chromosomes move to the poles at opposite ends of the cell.
  • The daughter chromosomes migrate centromere first and the kinetochore fibers become shorter as the chromosomes near a pole.
  • In preparation for telophase, the two cell poles also move further apart during the course of anaphase. At the end of anaphase, each pole contains a complete compilation of chromosomes.
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12y ago
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7y ago

During anaphase the two chromatids of each chromosome separate and move to opposite poles, pulled along the spindle fibers by the centromeres. This phase has to be exact so that the final division is correct.

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12y ago

The stage in mitosis or meiosis following metaphase in which the daughter chromosomes move away from each other to opposite ends of the cell. :3

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12y ago

anaphase

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Q: Briefly describe what happens during anaphase?
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