NEET Biology question

A child of blood group-O cannot have parents of blood groups

(A)A and A
(B)AB and OCorrect
(C)A and B
(D)B and B

Answer: (B)

Solution

A blood-group-O child must be genotypically , requiring an allele from each parent; an AB-group parent is genotypically and has no allele to contribute at all, so an AB

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Question ID VK-119564