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WAEC Biology 2014 Question 47

Question 47

Mendelian Inheritance

In dihybrid inheritance, Mendel considered

  1. A.a pair of contrasting characters.
  2. B.two pairs of contrasting characters.
  3. C.three pairs of contrasting characters.
  4. D.four pairs of contrasting characters.
Show the answer and explanation

Answer: B (two pairs of contrasting characters.)

Explanation

'Di' means two: a dihybrid cross follows two pairs of contrasting characters at once, e.g. seed shape and seed colour.