Blood Group Basics

ABO blood group system, classification of human blood as determined by the presence or absence of A and B antigens on red blood cells

The three alleles of the ABO blood system can generate four different major phenotypes, which are otherwise referred to as an individual's blood

blood group The test to determine your blood group is called ABO typing Your blood sample is mixed with antibodies against type A and B blood Then, the sample is checked

blood type The Different Blood Types · Group A has the A · Group B has the B antigen and the A antibody · Group AB has A and B antigens but neither A nor