Question

Antibody is absent in which of the following blood group?

• A. A
• B. B
• C. AB
• D. O

Answer 1

Answer: (C)

AB

Antibody are absent in AB blood group. Blood group AB individuals have both A and B antigens on the surface of their RBCs, and their blood plasma does not contain any antibodies against either A or B antigen. Therefore, an individual with AB blood can receive blood from any group, but cannot donate blood to any group other than AB. They are known as universal recipients.