This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
[{'content': 'HLA 2 is associated with? \nSelect and explain. \nA. Auto immune diseases, B. Graft rejection, C. Cell mediated cytolysis of viral infected cells, D. Mixed leukocyte reaction', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans is 'd' i.e. Mixed leukocyte reaction o MHC class I is responsible for graft rejection and cell mediated cytolysis of viral infected or tumor cells.o MHC-II is responsible for graft versus host response and mixed leukocyte reaction.o MHC-III is involved in susceptibility to autoimmune diseases.", 'role': 'assistant'}]