This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'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: Answer is D (Isograft) : "Although the best graft is an Autograft, a renal graft can obviously not he an Autograft...silly." So the best renal graft is an Isoqraft from an individual twin. IsOgrall: Is a graft from a different individual genetically identical with recipient e.g. identical twin. Aulograft: Is to self. Allograft: Graft from different species. Xenograft: Graft from different species.', 'role': 'assistant'}]