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Biology miscellaneous
  1. A person having blood type B could safely donate blood to persons with blood types
    1. A and O
    2. B and O
    3. A and AB
    4. B and AB
Correct Option: D

If someone belongs to the blood group B, he has B antigens on the surface of his red blood cells and A antibodies in his blood plasma. So he can donate blood to persons of B and AB blood groups, but cannot receive blood from persons having B or O groups.


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