Under this circumstance an antigen-antibody reaction will occur

Under this circumstance an antigen-antibody reaction will occur

Q. Under this circumstance an antigen-antibody reaction will occur.

A person with

A.            Type A blood is given type O blood

B.            Type AB blood is given type O blood

C.            Type O blood is given type A blood

D.            Type AB blood is given type B blood

Answer: Type O blood is given type A blood

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