What mutation happens when a gamete is forming?

What specific mutations you are referring forM

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.