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Which is the only blood group that does not express antigens on the surface of the...

Which is the only blood group that does not express antigens on the surface of the red blood cells?
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1) Which is the only blood group that does not express antigens on the surface of the red blood cells?

Answer-Blood group "O" has no antigens ,but both anti-A and ani-B antibodies in the plasma ,as well as some special "anti-A,B" antibodies...(.for example ,if you have type-A blood,you will have the A antigen on the surface of your red blood cells,and also the anti -B antibody in your plasma.)The reason for type O blood have no antigen is ,individuals with type O blood do not produce ABO antigens ...As result,type O people are univerasl donors for transfusions ,but they can receive only type AB blood do not make any ABO antibodies.Their blood does not discriminate against other ABO type.

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