NEET Biology question

A man of blood group-A marries woman of blood group-AB, which type of progeny would indicate that man is heterozygous?

(A)O
(B)BCorrect
(C)A
(D)AB

Answer: (B)

Solution

If the man were homozygous (), he could only ever contribute an allele, so his children (combined with the AB mother's or ) could only ever be group A or AB, never B; the

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Question ID VK-119566