Blood Group Basics

blood type  In blood typing, antigens on the surfaces of red blood cells are also known as agglutinogens and the antibodies that react against them Blood group B individuals have the B antigen on the surface of their RBCs, and blood serum containing IgM antibodies against the A antigen

Like eye color, blood type is passed genetically from your parents Your blood type is determined by your ABO type and a negative or The letter in your blood type – A, B or O

No You do not need to know your blood type You don't need blood regularly It's beneficial information for the medical community but it is not The letter in your blood type – A, B or O