Question

Homozygous purelines in cattle can be obtained by:

• 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.

Answer 1

Answer: (D)

Inbreeding results in increase in the homozygosity. Therefore, mating of the related individuals of same breed will increase homozygosity.