Different Blood Types

Blood Groups Four major blood groups: A, B, AB and O These four blood groups were originally identified by Karl Landsteiner in 1900 Your blood group is

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

blood link Next time you go in to get your blood drawn, ask to know your blood type If you've had blood drawn in the past, you can call the lab to see if

blood group The ABO System · A type blood has only A antigens on red blood cells · B type blood has only B antigens on red blood cells · AB has both A and B