Answer :

• Inbreeding is defined as the mating of more closely related individual within the same breed for 4-5 generation.


• Individuals produced by inbreeding are exactly similar to their parents and hence are considered as purelines.


• Homozygosity is referred to as condition in which the animal has identical alleles in a pair.


• Inbreeding results in transfer of same alleles generation to generation, hence, causing homozygosity.


• Inbreeding results in the production of purelines, thus there is no chances of increased vigour.


• Same alleles throughout many generations also do not guarantee improved breed.


• Same alleles are passed in inbreeding so heterozygosity does not increase.


• Inbreeding produces pureline, hence increasing homozygosity.


Hence, Inbreeding is carried out in animal husbandry because it increases homozygosity.

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