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WAEC Biology 2014 Question 45

Question 45

Mendelian Inheritance

The F1 generation of a cross between a red cock and white hen were all red because the gene for the

  1. A.white colour did not segregate.
  2. B.red colour was dominant.
  3. C.white colour was dominant.
  4. D.red colour was recessive.
Show the answer and explanation

Answer: B (red colour was dominant.)

Explanation

When all F1 offspring show one parent's trait, that trait is dominant.