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: Surgery
[{'content': 'An Isograft indicates transfer of tissues between - \nSelect and explain. \nA. Unrelated donors, B. Related donors, C. Monozygotic twins, D. From the same individual', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]