Q26 of 47 Page 41

Nearly how many percentage of people in world have Rh-positive blood?

Around 85% of people in the world have Rh positive blood groups.


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24

Which blood group is universal donor?

 25

In which blood group both ‘A’ and ‘B’ antigens are found?

 27

Which Rh-factor is most important?

 28

Who accomplished first blood donation?