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Clumping of RBC may occur when blood of ...

Clumping of RBC may occur when blood of one person is mixed with serum or blood of another person. This is due to

A

antigen-antibody reaction

B

antitoxin-antibody reaction

C

antigen-antigen reaction

D

antibody-antibody reaction

Text Solution

Verified by Experts

The correct Answer is:
A
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