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Help me!!!! Genius tell me Why the Blood types bamed as A,B,AB,O ? not A, B, C,D?
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Help me!!!!

Genius tell me



Why the Blood types bamed as A,B,AB,O ? not A, B, C,D?

User Elonzh
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The 4 blood types are based on the type of antigens. Blood type A has A antigens, B has B antigens and AB has both A and B antigens. Blood type O comes from the German word "Ohne", which means "without".


User Broersa
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This is related to the two types of antigens both A and B present on The RBCs either singly (blood group A and Blood group B respectively) or both together (as AB), but having no antigen on RBCs meaning "zero" antigen, refers to the Blood group "O" group.
User Darcher
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