is located in the cells of the nervous system. alters DNA in a gamete of the parent. alters the behavior of the organisms. is located near the locus of a chromosome.
I gave my students this multiple choice question: A mutation that occurs in an organism that reproduces sexually will most likely affect the traits of the offspring if the mutation

Only one answer is correct among these 4 choices:
- is located in the cells of the nervous system.
- alters DNA in a gamete of the parent.
- alters the behavior of the organisms.
- is located near the locus of a chromosome.

Could you tell me which one is correct?

alters DNA in a gamete of the parent.