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
Correct Option(a) No antigens but both a and b antibodies are present
Explanation:
In blood of 'O' group no antigense are present on red blood cells, but both anti-a and anti-b antibodies are present in plasma.
Blood group A has antigen 'A' and antibody 'B' Blood group A has antigen 'B' and antibody 'a' Blood group AB has antigens 'A' and 'B' but no antibody in plasma.
