This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'Type of graft, best suited for renal transplantation \nSelect and explain. \nA. Allograft, B. Autograft, C. Xenograft, D. Isograft', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Isograft is the graft of tissue between two individuals who are genetically identical i:e, monozygotic twins. Transplant rejection between two such individuals viually never occurs. As monozygotic twins have the same histocompatibility complex, there is very rare chance of rejection of transplanted tissue by the adaptive immune system. Ref: Baveja textbook of microbiology; 4th edition', 'role': 'assistant'}]