A man whose blood group is heterozygous B is married to a woman whose blood…

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Biology WAEC 2019

A man whose blood group is heterozygous B is married to a woman whose blood up is also heterozygous B

Which of the following statements is correct about the blood group of their four offspring?

  • Three of them belong to blood group B checkmark
  • Three of them belong to blood group O
  • None of them belongs to blood group O
  • Two of them belong to blood group B

The correct answer is: A

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