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 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.