Question

Which of the following statements is true?

1 All mutations are harmful.
2 Mutations are the only way to add new genes to a gene pool.
3 In substitution, DNA base pairs are deleted or lost during replication.
4 A mutation in the liver cell of a cat will be inherited by the cat's offspring.

Answer 1

Mutations are the only way to add new genes to a gene pool.

Step-by-step explanation: