A man whose blood group is heterozygous B
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
Three of them belong to blood group O
None of them belongs to blood group O
Two of them belong to blood group B
Correct answer is A
No explanation has been provided for this answer.
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