A) Both A and B antigens on RBC but no antibodies in the plasma
B) Both A and B antibodies in the plasma
C) No antigen on RBC and no antibody in the plasma
D) Both A and B antigens in the plasma but no antibodies
Correct Answer: A
Solution :
Blood group AB is universal recipient because the person with AB blood group has both A and B antigens on RBC but no antibodies in the plasma. Other blood group and their genotypes are| Blood group | Antigen (s) Present on the RBC | Antibodies Present in Serum | Genotypes |
| A | Antigen-A | Anit-b | AA/AO |
| B | Anitigen-B | Anti-a | BB/BO |
| 0 | None | Anti-a and b | O |
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