This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Reconstructive Techniques, Subject name: Surgery
[{'content': 'Least chance of receipient failure in transplant is seen in - \nSelect and explain. \nA. Allograft, B. Isograft, C. Xenograft, D. Heterotropic Graft', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Isograft o As an isograft occurs between two genetically identical individuals the chance of graft failure is the least", 'role': 'assistant'}]