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JAMB Biology 2011 Question 43

Question 43

Mendelian Inheritance

If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of

  1. A.mutation
  2. B.linkage
  3. C.codominance
  4. D.incomplete dominance
Show the answer and explanation

Answer: D (incomplete dominance)

Explanation

Neither allele fully masks the other, so the offspring shows a blend (pink) between red and white. This is incomplete dominance.