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.

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next