I just went for a blood test and came back knowing I have type AB blood. However my blood can only be used by other people who share the same blood type with me but not others, while other people with type O, A, B they can share the blood with me. Why is that so?
In: Chemistry
Mate different blood types exist due to variations in antigens on red blood cells. Type AB has both A and B antigens, so it can receive A, B, AB, or O blood
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