Q174 / 180 · NEET 2017 · Zoology

Homozygous pure lines in cattle can be obtained by:

  • Correct answer
    A
    mating of related individuals of same breed.
  • B
    mating of unrelated individuals of same breed.
  • C
    mating of individuals of different breed.
  • D
    mating of individuals of different species.

Solution

Inbreeding results in an increase in the homozygosity. Therefore, a mating of the related individuals of the same breed will increase homozygosity. It is a progeny of single, self-fertilized homozygous individuals.

Hence, the correct answer is option: 'A'.

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