WHY SHOULD WE KNOW ABOUT BLOOD GROUPS??? _to avoid mismatch transfusions _Medicolegal cases _Check histocompatibility during organ transplantation _Anthropological studies _Prevent occurrence of HDN
Missed another important point "FOR RESEARCH PURPOSES AS SOME BLOOD GROUPS ARE ASSOCIATED WITH MORE INCIDENCE OF CERTAIN DISEASES for example A BLOOD GROUP is associated with high incidence of carcinoma of stomach"