Which blood group is for whom? |Blood Transfusion|  

There are 4 main blood groups (types of blood) - A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups.
Blood Groups and Types
A+ (A positive) if you have A and rhesus antigens.
A− (A negative) if you have A antigens but don't have rhesus antigens.
B+ (B positive) if you have B and rhesus antigens.
B− (B negative) if you have B antigens but don't have rhesus antigens.
AB+ (AB positive) if you have A, B and rhesus antigens.
AB− (AB negative) if you have A and B antigens but don't have rhesus antigens.
O+ (O positive) if you have neither A nor B antigens but you have rhesus antigens.
O− (O negative) if you don't have A, B or rhesus antigens.
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