This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'If a mother is donating here kidney to her son.This is an example of \nSelect and explain. \nA. Autograft, B. Allograft, C. Isograft, D. Xenograft', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Types of Graft: - * Allograft:- An organ or tissue transplanted from one individual to another * Isograft:- Organs transplanted between identical twins and are immunologically indistinguishable * Autograft:- Organ or tissue transplanted with in same individual, e.g. skin graft, bone graft and free flap * Xenograft:- A graft performed between different species Ref:- Surgery Sixer 3rd Edition; Pg num:- 142', 'role': 'assistant'}]