. What is correct for blood group 'O' ?
(a) No antigens but both a and b antibodies are present
(b) A antigen and b antibody
(c) Antigen and antibody both absent
(d) A, B antigens and a, b antibodies
Best Answer
(a)
Sol.In blood of 'O' group, no antigens are present on red cells, but both anti-a and anti-b antibodies are present in plasma.
Blood group A has antigen 'A' and antibody 'b'.
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