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Question

Universal donors have no antigens in RBC's but have both antibodies Anti A and Anti B. They belong to blood group

A
A
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B
B
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C
AB
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D
O
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Solution

The correct option is B O
The ABO blood group system consists of 4 types of blood group – A, B, AB, and O and is mainly based on the presence or absence of antigens on RBC and antibodies in the plasma. The person with blood group O has no antigens on RBC's but have both Anti A and Anti B antibodies in plasma hence they are considered as universal donors.
So, the correct answer is 'O'.

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