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Detection of blood group is done by aggl...

Detection of blood group is done by agglutisation test using antiserum. According to this

A

If the blood shows coagulation with antiserum B, the blood group is B

B

If the blood shows coagulation with both antiserum A and B, the blood group is O

C

If the blood shows coagulation with antiserum A, the blood group is AB

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A

The sample on the left has agglutinated or clumped while the sample on the right shows no reaction. Agalutination occurs as the antibodies bind to antigen on the erythrocyte membrane and cross – link several erythrocytes together.
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