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JAMB Biology 1986 Question 39

Question 39

Variation

Which of the following is an example discontinuous variation?

  1. A.Skin coloration
  2. B.Left-handedness
  3. C.Body weight
  4. D.Height
Show the answer and explanation

Answer: B (Left-handedness)

Explanation

Discontinuous variation puts people into clear groups with no in-betweens: you are either left-handed or not. Height, weight and skin colour vary continuously.