Question

Inbreeding depression can be overcome by: 1) mating of animals of same breed, but having no common ancestors on either side of their pedigree upto 4-6 generations 2) mating males of one breed with superior females of another breed 3) interspecific hybridisation 4) all of these The answer is given (1), but isnt it (4)? If (1) can prevent inbreeding depression, surely (2) and (3) also can right?

Answer 1

good yash