Q. When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?
A) $G_1$/S
B) $G_2$/M
C) M
D) Both $G_2$/M and M
Explanation
[Solution] Incomplete replication is detected at the $G_2$/M checkpoint, which prevents entry into mitosis. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.