The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to having

The most populary known blood grouping is the AOB grouping .It is named AOB and not ABC ,because "O" in it refers to having :

The most polpularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because, because "O" in it refers to having

Human blood grouping is ABO instead of ABC because O in it refers to

Human blood grouping is ABO instead of ABC because O in it refers to

Human blood grouping is ABO instead of ABC because O in it refers to

ABO blood grouping shows

Human blood grouping is called ABO instead of ABC because O signifies

ABO blood group have :

ABO blood group have :