Which of the following is an example of hybridization?

A.) Special enzymes are used to break DNA strands at certain locations.

B.) Levi crosses a horse with a donkey to a create a mule. The mule is stronger than both of its parents.

C.) The genes from a two monkeys are combined and injected into a bacterium.

D.) Tracy will only cross seedless fruit trees. Over time, her entire orchard is made of seedless fruit trees.