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WAEC Biology 2005 Question 52

Question 52

Mendelian Inheritance

If the pink colour of a petal is dominant over white what would be the colour of the flower of the F1 generation when a pure pink flowered plant is crossed with a white flowered plant?

  1. A.Purple
  2. B.Pink
  3. C.White
  4. D.Yellow
Show the answer and explanation

Answer: B (Pink)

Explanation

All F1 plants get one pink and one white allele; pink is dominant, so all the flowers are pink.