2. The rarest blood group is __.
A. O negative
B. B negative
C. AB positive
D. AB negative
Answers
Answered by
3
Answer:
the answer is first one O negative
Answered by
2
Answer:
O negative
Explanation:
It is the rarest blood group as it has both the antibodies, Anti a as well as anti B, hence can receive blood only from O negative. Also it does not have the Rh antigen which is absent in only 20% of the world's population.
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