Which of the following statements is incorrect?
(a) A person of ‘O’ blood group has anti ‘A’ and anti ‘B’ antibodies in his blood plasma.
(b) A person of ‘B’ blood group can’t donate blood to a person of ‘A’ blood group.
(c) Blood group is designated on the basis of the presence of antibodies in the blood plasma.
(d) A person of AB blood group is a universal recipient.
The blood group is based on the presence or absence of antigens A and B on RBCs and the presence or absence of two natural antibodies present in plasma. The answer is option (c) Blood group is designated on the basis of the presence of antibodies in the blood Plasma.