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WAEC Biology 2008 Question 47

Question 47

Variation

Which of the following characters is not an example of discontinuous variation?

  1. A.Skin colour
  2. B.Fingerprint
  3. C.Ability to roll tongue
  4. D.Sex type.
Show the answer and explanation

Answer: A (Skin colour)

Explanation

Skin colour shows a smooth range of shades, so it is continuous variation; the others fall into distinct groups.