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questions :blood groups
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[Visitor (58.214.*.*)]answers [Chinese ]Time :2020-11-10
Blood type is a method of classifying blood, usually refers to the classification of red blood cells, based on whether there are certain heritable antigens on the surface of red blood cells. The antigenic substance can be protein, carbohydrate, glycoprotein or glycolipid. Usually some antigens come from the alleles of the same gene or the coded products of several closely linked genes. These antigens constitute a blood group system.
In humans, there are currently 30 blood group systems recognized and recognized by the International Association of Blood Transfusion, including ABO blood group system, Rh blood group system, MNS blood group system, and P blood group system. Among them, ABO blood group system and Rh blood group system (Ganghe Monkey factor) is the most important. The blood type system is of great significance to blood transfusion. Transfusion of incompatible blood types may lead to hemolytic reactions, resulting in hemolytic anemia, renal failure, shock and even death. Neonatal hemolysis is also closely related to blood type.
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