Which of the Following Mutations Would Be MOST Likely to Be

Multiple Choice

Which of the following mutations would be MOST likely to be retained in a species gene pool?

A) A mutation resulting in a deleterious change in a cytoskeletal protein structure
B) A mutation in an exon of a gene coding for DNA repair
C) A mutation in an intron of a gene coding for DNA repair
D) Both A and B
E) None of the above