Principle Of Inheritance And Variation Question 41
Question: A person meets with an accident and great loss of blood has occurred. There is no time to analyse his blood group. It is safe to transfer blood of group [AIIMS 1984; Orissa JEE 2005]
Options:
A) $ AB,R{h^{+}} $
B) $ AB,R{h^{-}} $
C) $ O,R{h^{-}} $
D) $ O,R{h^{+}} $
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Answer:
Correct Answer: C
Solution:
O group is universal donor; $ R{h^{+}} $ blood can be given to a $ R{h^{-}} $ person only once, so $ OR{h^{-}} $ is safer.