why we have different blood groups
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I think... the possible answer is that we all are from different family's and we all have different genes so that might be a reason for having different blood group
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Blood group is determined by antigen present on RBC ......antigen A, antigen B and no antigen also
Due to Which blood group is different in as per our genes
I think so
Due to Which blood group is different in as per our genes
I think so
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