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Homozygous purelines in cattle can be obtained by:

  1. A
    Mating of unrelated individuals of same breed
  2. B
    Mating of individuals of different breed
  3. C
    Mating of individuals of different species
  4. D
    Mating of related individuals of same breed

Solution & Step-by-step Explanation

Inbreeding involves mating closely related individuals within the same breed for 4–6 generations, which increases homozygosity and helps in evolving purelines.

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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

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