What is correct for blood group O?
(a) No antigens but both a and b antibodies are
present.
(b) A antigen and b antibody present.
(c) Antigen and antibody both absent.
(d) A and B antigens and a, b antibodies present.
(a) No antigens but both a and b antibodies are
present.
(b) A antigen and b antibody present.
(c) Antigen and antibody both absent.
(d) A and B antigens and a, b antibodies present.