The nicking of DNA that initiates recombination during mitosis may be due to all but
A) instruction from normal cell-cycle program.
B) X-rays.
C) chemical damage.
D) physical damage.
E) radiation.

Question

Quizplus · Accepted Answer

The nicking of DNA during recombination in mitosis is a normal and programmed process, and is not necessarily due to any external damage such as X-rays, chemical or physical damage, or radiation.

The Nicking of DNA That Initiates Recombination During Mitosis May