This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Graft between identical twins is known as 
Select and explain. 
A. Autograft, B. Allograft, C. Heterograft, D. Isograft
D: Isograft
Answer: D: Isograft 
Explanation: Autograft - transplant from the same person.
Isograft - transplant from twins.
Allograft - transplant from same species.