Which of the following describes out-crossing ?

Options

A. Mating of more closely related Individuals within the same breed for 4- 6 generations.
B. This is the practice of mating of animals within the same breed, but having no common ancestors en either side of their pedigree up to 4-6 generations.
C. Superior males of one breed are mated with superior females of another breed (of same species).
D. Male and female animals of two different species are mated.

Answer

B