Blood Types And Compatibility For Donations
The most basic blood typing is to categorize blood based on its genetic makeup and a protein antigen that will be present on the outside of the red blood cells. This is known in the medical community as the ABO system and it uses markers for two antigens. Type A blood has the Group A antigens and makes antibodies to fight Group B blood. Type B blood has the Group B antigens and makes antibodies to fight Group A blood....