Select all that can contribute to a change in the characteristics of a species over time? Choose more than 1. a a mutation in a brain cell b a mutation in an egg cell c a mutation in a skin cell d a mutation in a sperm cell e a mutation in a nerve cell f a mutation in a somatic cell

a a mutation in a brain cell

b a mutation in an egg cell
c a mutation in a skin cell
d a mutation in a sperm cell
f a mutation in a somatic cell