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Explain how blood typing works

Explain how blood typing works

Science   Anatomy-And-Physiology   
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Answer #1

Blood typing is based on agglutination reactions.

To determine blood tube the blood is mixed with antibodies against A , B and and anti Rh serum.

If agglutination reaction takes place with antibody against A the blood contains antigen A similarly if the agglutination reaction takes place with antibody against B blood contains antigen B.

If the reaction takes place with one of the antibodies the blood group may be either A or B.

If agglutination takes place with antibody against both A and B then the blood group will be AB

If agglutination do not take place with antibody against A and B then the blood group will be O.

If agglutination takes place with anti RH serum in the blood is said to be RH positive otherwise it is RH negative.

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