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': 'Skin grafting done on wound following major skin taken from twin brother \nSelect and explain. \nA. Isograft, B. Allograft, C. Autograft, D. Xenograft', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .Autograft: It is tissue transferred from one location to another on the same patient. Isograft: It is tissue transfer between two genetically identical individuals, i.e. between two identical twins. Allograft: It is tissue transfer between two genetically different members, e.g. kidney transplantation (Human to human) (Homograft). Xenograft: It is tissue transfer from a donor of one species to a recipient of another species (Heterograft). ref:SRB;s manual of surgery,ed 3,pg no 279', 'role': 'assistant'}]