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WAEC Biology 2025 Question 11

Question 11

Variation

Which of the following pairs of features is an example of discontinuous variation?

  1. A.Colour and weight
  2. B.Fingerprint and blood group
  3. C.Height and blood group
  4. D.Height and sex
Show the answer and explanation

Answer: B (Fingerprint and blood group)

Explanation

Fingerprint patterns and blood groups fall into distinct types with no in-between, so they are discontinuous. Height and weight vary continuously.