This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Allograft is between \nSelect and explain. \nA. Individuals of same genetic constitution, B. Individuals of same species with different genetic identity, C. Twins, D. Members of different species', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Autografts - donor & recipient is the same Isografts - donor & recipient is the same genotypeAllografts - same species but different genotypeXenografts - between different species', 'role': 'assistant'}]