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WAEC Agricultural Science 1996 Question 54

Question 54

Animal Improvement

Which of the following statements about cross-breeding is not correct?

  1. A.the cross-bred progenies are heterozygous
  2. B.cross-breeding can be used to introduce new genes
  3. C.cross-breeding is used to create new breeds of livestock
  4. D.the individuals used in cross-breeding have all characters in common
  5. E.cross-breeding is almost a routine practice of improving poultry
Show the answer and explanation

Answer: D (the individuals used in cross-breeding have all characters in common)

Explanation

Cross-breeding uses animals of different breeds, which differ in many characters.