Check your understanding! Mark any that are correct.

Mutations are random.
Mutations are most beneficial and useful for an organism.
Mutations can occur in both DNA and RNA, which are nucleic acids.
Mutations can only occur during interphase.
Not all genes code for proteins.
Not all genes are “turned on” at a given time.
Substitution mutations typically result in a frameshift mutation.
Mutations can be genetically inherited.