How to find out your blood type if you don't know what it is

How to find out your blood type if you don't know what it is blood type Humans have four main blood groups: A, B, O and AB Learn more about each type and its importance in our community blood type The ABO blood group antigens are encoded by one genetic locus, the ABO locus, which has three alternative forms—A, B, and O A child receives one of

blood type You belong to one of four blood types: O, A, B and AB with an additional Rh factor Canadian Blood Services provides all donors with this information

blood link Is one of the rarest blood types — only % of the US population has type B+ Can give blood products to types B+ and AB+, and receive all B and O types Is an Individuals with type A blood—without any prior exposure to incompatible blood—have preformed antibodies to the B antigen circulating in their blood plasma