Question

A female that is planning to become pregnant is concerned about her exposure to environmental mutagens which may have caused DNA mutations. In order for these mutations to become heritable, they must affect the:

A. her somatic cells
B. her skin cells
C. all her cells
D. her egg cells

Answer 1

Answer: D. her egg cells

Explanation: Mutations can only be passed down if the mutation happens in reproductive cells. Egg cells are reproductive cells. (Along with sperm in males.)