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WAEC Biology 2007 Question 52

Question 52

Variation

Which of the following forms of variation will give a normal distribution?

  1. A.Blood groups
  2. B.Tongue rolling
  3. C.Body weight
  4. D.Finger prints
Show the answer and explanation

Answer: C (Body weight)

Explanation

Body weight shows continuous variation; most people are near the average, giving a bell-shaped normal curve.