In ABO system of blood grouping, transfusion is not possible from

Question

In ABO system of blood grouping, transfusion is not possible from (A) A to AB (B) B to AB (C) O to O (D) A to O

Tardigrade Admin · Accepted Answer

Because blood group 'O' is universal donor but can accept blood from 'O' blood group person.

Q. In ABO system of blood grouping, transfusion is not possible from