WAEC Biology 1997 Question 52

Question 52

Transport in Animals

In which of the underlisted blood groupings is agglutination likely to occur during transfusion?
Donor → Recipient: I. toto → TATA; II. TBto → TBTB; III. TATA → TATB; IV. TATB → toto; V. toto → TBTB

Diagram for this question
  1. A.I
  2. B.II
  3. C.III
  4. D.IV
  5. E.V
Show the answer and explanation

Answer: D (IV)

Explanation

In IV an AB donor gives blood to a group O recipient, whose anti-A and anti-B antibodies clump the donor's cells.