Which of the following is true concerning the checkpoints in the cell cycle?
A. Mitosis stops if chromosomes are not properly aligned.
B. The purpose of the cell cycle checkpoints is to ensure that mitosis results in haploid daughter cells.
C. Most cells that undergo mitosis cannot proceed through all the cell cycle checkpoints and end up undergoing apoptosis.
D. Mitosis will still occur if the DNA is damaged or not replicated.
E. The G1Â checkpoint is located at the tail end of the S phase of interphase.
Answer: A
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