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Assuming that A is the gene for normal skin color and is dominant, while a...

Biology
WAEC 2017

Assuming that A is the gene for normal skin color and is dominant, while a is the gene for albinism and its recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?

  • A. AA, aa
  • B. Aa, aa
  • C. AA, Aa
  • D. Aa, Aa
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Correct Answer: Option B
Explanation

Crossing Aa & aa  would give 50% normal and 50% albino offspring


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