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During blood transfusion, agglutination may occur as a result of the reaction between

Biology
WAEC 1988

During blood transfusion, agglutination may occur as a result of the reaction between

  • A. similar antigens and antibodies
  • B. contrasting antigens and antibodies
  • C. two different antigens
  • D. two different antibodies
  • E. white blood cells from the two individuals.
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Correct Answer: Option B
Explanation
AGGLUTINATION TABLE

Blood group

(ABO system)

 Anti- A serum Anti- B serum
A Clumping No clumping
B No clumping Clumping
AB Clumping Clumping
O No clumping No clumping

Note that the contrasting antibodies clump, as well as the contrasting antigens.

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