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WAEC Biology 1988 Question 44

Question 44

Transport in Animals

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

  1. A.similar antigens and antibodies
  2. B.contrasting antigens and antibodies
  3. C.two different antigens
  4. D.two different antibodies
  5. E.white blood cells from the two individuals
Show the answer and explanation

Answer: A (similar antigens and antibodies)

Explanation

Clumping happens when an antigen meets its matching antibody, e.g. antigen A with anti-A.