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WAEC Biology 2002 Question 50

Question 50

Variation

Which of the following is a continuous variation, in human population?

  1. A.Sex
  2. B.Rh factor
  3. C.Height
  4. D.Down's syndrome.
Show the answer and explanation

Answer: C (Height)

Explanation

Height changes gradually from short to tall with many in-between values, so it is continuous. Sex and Rh factor fall into clear separate groups.