Biology, asked by PIYUSHISDICTATOR, 11 months ago

there are total how many types of blood group in human?

Answers

Answered by subashree06
0
4 types of blood group is there they are A,B,AB,O.

PIYUSHISDICTATOR: the blood group which contain -sign they are what?
subashree06: negative
subashree06: +sign means possitive
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