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WAEC Biology 2012 Question 50

Question 50

Variation

The following pairs of traits are examples of continuous and discontinuous variations respectively except

  1. A.eye colour and body weight.
  2. B.height and blood group.
  3. C.skin colour and fingerprints.
  4. D.body weight and tongue rolling.
Show the answer and explanation

Answer: A (eye colour and body weight.)

Explanation

Eye colour falls into distinct groups and body weight varies continuously, so this pair is in the wrong order.