What is the reason for carefully matching the blood of a donor with the blood of a recipient before blood transfusion?

Step-by-step solution

: ABO grouping is based on the presence or absence of two surface antigens (chemicals that can induce immune response) on the RBCs namely A and B. Similarly, the plasma of different individuals contain two natural antibodies (proteins produced in response to antigens). The distribution of antigens and antibodies in the four groups of blood, A, B, AB and O are given in Table 15.1 . You probably know that during blood transfusion, any blood cannot be used; the blood of a donor has to be carefully matched with the blo