BLOOD GROUP: Any one of the many types in to which a persons - TopicsExpress



          

BLOOD GROUP: Any one of the many types in to which a persons blood may be classified, based on the presence or absence of certain inherited antigens on the surface of the red blood cells. Blood of one group contains antibodies in the serum that react against the cells of other groups. There are more than 30 blood group systems, one of the most important of which is the ABO system. This system is based on the presence or absence of antigens A and B. Blood groups A and B contains antigens A and B, respectively, group AB contains both antigens and group O neither. Blood of group A contains antibodies to antigen B, group B blood contains anti-A antibodies, group AB has neither antibody and group O has both
Posted on: Fri, 08 Aug 2014 23:06:52 +0000

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