Question

A mule is a hybrid. Its parents, a _____ and a _____, each have a different number of chromosomes

Answer 1

Answer:

D: horse and donkey

Explanation:

the other three options don't make sense

Answer 2

Answer:

Horse, Donkey

Explanation:

A mule is an animal that is bred only when a horse and donkey mate. Mules cannot be bred through other mules as they are infertile.