Between which one of the following sets of blood groups, is the blood transfussion possible?

Between which one of the following sets of blood groups, is the blood transfussion possible?

Q. Between which one of the following sets of blood groups, is the blood transfussion possible?

A.            A and O (A donor)

B.            B and A (B donor)

C.            A and AB (A donor)

D.            AB and O (AB donor)

Answer: A and AB (A donor)

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