Grafted kidney may be rejected in a patient due to

Correct Option (b) Reason : Grafted kidney may be rejected in a patient due to the cell-mediated immune response that is mediated by T-lymphocytes. The body is able to differentiate 'self' and 'non-self'. Therefore, tissue matching, blood group matching are essential before undertaking any graft/transplant and even after this the patient

has to take immuno-suppressants all his/her life.