NEET Biology question

If the blood groups of parents are 'AB' and 'O', then the blood group of the offspring cannot be

(A)AB
(B)O
(C)A and B
(D)Both (a) and (b)Correct

Answer: (D)

Solution

Crossing (AB) with (O): the AB parent contributes either or , and the O parent contributes only , giving offspring (blood group A) or (blood group B) only. Blood group AB would require the O parent to

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Question ID VK-120421