If all chromosomes are not attached to the mitotic spindle at the M phase checkpoint, the cells would most likely be arrested at which of the following points in the cell division cycle or mitosis?
A) telophase
B) prophase
C) G2
D) metaphase

Question

Quizplus · Accepted Answer

The M phase checkpoint ensures that all chromosomes are properly attached to the mitotic spindle before proceeding with mitosis. If chromosomes are not attached, the cell cycle is arrested at metaphase to prevent the division of unaligned chromosomes, which could lead to genetic instability.

If All Chromosomes Are Not Attached to the Mitotic Spindle