JAMB Biology 2019 Objective — Question 22
Question 22 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2019 Objective paper, with the correct answer and a full explanation.
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During blood transfusion, agglutination may occur as a result of the reaction between
- A. similar antigens and antibodies
- B. contrasting antigens and antibodiesCorrect
- C. different antigens
- D. two different antibodies
Explanation
Agglutination occurs between contrasting (matching/reactive) antigens and antibodies. If a person with blood type A is transfused with type B blood, the antibody-B in the recipient's blood attacks the antigen in the donor's type B blood.
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