Question

Q.3. Why does the mating of two closely related animals after a few generations lead to loss of fertility and vigour in animal husbandry?​

Answer 1

⬇️ANSWER ⬇️

The phenomenon of mating closely related animals is called inbreeding. Continued inbreeding for a few generations leads to inbreeding depression which results in loss of fertility and vigour. This is because the recessive alleles tend to get together and express harmful effects in the coming progenies.

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