In the ABO system, blood group ‘O’ is characterized by the
In the ABO system, blood group ‘O’ is characterized by the

Q. In the ABO system, blood group ‘O’ is characterized by the:

A.            presence of antigen O

B.            presence of both antigen A and antigen B

C.            absence of both antigen A and antigen B

D.            presence of antigen A and absence of antigen B

Answer: absence of both antigen A and antigen B

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