This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunity, Subject name: Pathology
[{'content': 'Graft from identical twin is defined as: \nSelect and explain. \nA. Allograft, B. Isograft, C. Xenograft, D. Autograft', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Isograft(Ref: Robbins 9th/pg 231-234)Types of grafts QAutografts Q: transplant of individual own organIsograft: Graft from identical twinAllografts Q: between individuals of the same speciesXenografts Q: grafts from one species to another species', 'role': 'assistant'}]