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There are several points during the cell cycle when the cell will check to be sure everything is progressing normally, without mistakes, and confirm that the cell should continue to the next phase of the cycle. When do these "cell cycle checkpoints" occur?

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ashirnaveed825

Answer:

These checkpoints occurs :

  1. Between G1 and S (G1 checkpoint)
  2. During mitosis (M checkpoint)
  3. Between G2 and Mitosis (G2 checkpoint).

Explanation:

G1 checkpoint checks for :

  • Cell size
  • Nutrients
  • Growth factors
  • DNA damage

Metaphase checkpoint (spinal assemply checkpoint) :

  • check for chromosome attachment to the spindle.

G2 Checkpoint :

  • Cell size
  • DNA replication.
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