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Two unconscious patients X and Y whose blood group genotypes are AO and AB respectively ...

Two unconscious patients X and Y whose blood group genotypes are AO and AB respectively were transfused with the blood from the same donor . Patient X immediately showed signs of difficulty in breathing while patient Y showed no negative reaction.


Patients X and Y were likely transferred with blood of genotype
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A OO
  • B AO
  • C BO
  • D AA
Correct Answer: Option C
Explanation:
The blood types A and AB can receive blood from blood types A and O but not B. Hence, if there was a problem after transfusion, it was most likely to be from BO.

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