In human blood group AB,
(A) antibodies are present
(B) antibodies are absent
(C) antibody a is present
(D) antibody b is present
In human blood group AB,
(A) antibodies are present
(B) antibodies are absent
(C) antibody a is present
(D) antibody b is present

(b) Antibodies are absent

The human ABO blood group system is a great example of multiple allelism. As a result, the correct answer is ‘(b) Antibodies are absent.’