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WAEC Animal Husbandry 2025 Question 16

Question 16

Animal Improvement and Breeding

In sheep, the allele for possession of horns, W, is dominant over the allele for polled, w. Which of the following pairs of alleles represents a polled sheep?

  1. A.WW
  2. B.wW
  3. C.Ww
  4. D.ww
Show the answer and explanation

Answer: D (ww)

Explanation

A recessive trait shows only when both alleles are recessive, so a polled sheep is ww.