50. Antigens 'A' and 'B' are absent in persons belong to blood group A.'O' B.'A' C.'B' D.'AB'

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Abhishek Mishra

2 years ago

Answer: Option A Solution: Blood group O has no antigens, but both anti-A and anti-B antibodies in the plasma, as well as some special “anti-A,B' antibodies. Blood group AB has both A and B antigens, but no antibodies.

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