A person meets with an accident and great loss of blood has occurred. There is no time to analyse hi

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4.Principles of Inheritance and Variation

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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

A

$AB,R{h^ + }$

B

$AB,R{h^ - }$

C

$O,R{h^ - }$

D

$O,R{h^ + }$

(AIIMS-1984)

Solution

(c)$O$ group is universal donor; $R{h^ + }$blood can be given to a $R{h^ – }$person only once, so $O\,\,R{h^ – }$is safer.

Standard 12

Biology

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