During blood transfusion, agglutination may occur when

  • A contrasting antigens reacts with contrasting antibodies
  • B similar antigens react with similar antibodies
  • C two different antigens react with each other
  • D two different antibodies react with each other

The correct answer is B. similar antigens react with similar antibodies

Agglutination is the process that occurs if an antigen is mixed with its corresponding antibody called isoagglutinin.

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