Homozygous pure lines in cattle can be obtained by?
Correct answer: D. Mating of related individuals of same breed.
- A. Mating of unrelated individuals of same breed.
- B. Mating of individuals of different breed
- C. Mating of individuals of different species.
- D. Mating of related individuals of same breed.
Explanation
When breeding is between animals of the same breed for 4-6 generation, it is called inbreeding. Inbreeding, as a rule, increases homozygosity. Thus, inbreeding is necessary if we want to obtain a pure line in any animal.
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