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The ABO Blood Types Groups and Rh Factor
Blood type is a genetic characteristic associated with the presence or absence of certain molecules, called antigens, on the surface of red blood cells. The most commonly known blood types are the ABO and Rhesus blood types.
ABO blood type is determined by two common antigens, often referred to simply as antigens A and B. A person may have blood type A (only antigen A), B (only antigen B), AB (both antigens), or O (no antigens).
You can learn more about ABO blood type by watching the video at this link:
Rhesus blood type is determined by one common antigen. A person may either have the antigen (Rh+) or lack the antigen (Rh-).
Blood type is important for medical reasons. A person who needs a blood transfusion must receive blood that is the same type as his or her own. Otherwise, the transfused blood may cause a potentially life- threatening reaction in the patient’s bloodstream.
Instructions - complete the following
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