HLA 2 is linked with -: (A) Graft rejection, (B) Graft versus host disease, (C) Killing of viral infected cells, (D) Susceptibility to autoimmune diseases
Answer is B. Ans. is 'b' i.e., Graft versus host disease MHC class I is responsible for graft rejection and cell mediated cytolysis of viral infected or tumor cells.MHC-II is responsible for graft versus host response and mixed leukocyte reactionMHC-III is involved in susceptibility to autoimmune diseases like SLE.