Everyday Science
NULL
Medium
Question
A person of which blood group is called a universal donor?
A
O
✓ Official correct answer
B
AB
C
A
D
B
Community credibility
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A
O
No member explanations yet for this option.
B
AB
No member explanations yet for this option.
C
A
No member explanations yet for this option.
D
B
No member explanations yet for this option.
Explanation
Group O (especially O−) is the classic universal donor in ABO terms.
Hence the keyed answer is O.
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