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: Pathology
[{'content': 'Grafting done between genetically different individuals of  the same species is - \nSelect and explain. \nA. Allograft, B. Autograft, C. Isograft, D. Xenograft', 'role': 'user'}, {'content': 'Answer: A \nExplanation: o Based on the donor, the graft\xa0may be >\n1. Autograft\xa0(autogenic graft): Graft\xa0from self.\n2. Isograft\xa0(syngraft): Graft from a genetically\xa0unrelated member of same\xa0species.\n4. Xenograft\xa0(heterograft): Graft\xa0from different species.\nÿ Orthoptic\xa0graft\nÿ Hetera topic graft\n→ Graft\xa0applied in anatomically normal site eg. skin graft.\n→ Graft\xa0applied in anatomically abnormal site.\no After organ transplantation (graft)\xa0two types of reaction\xa0can occur\n1. Host versus graft\xa0reaction: It refers to the reaction\xa0of the host to grafted (transplanted) organ, i.e.\xa0graft\xa0rejection\xa0\n2. Graft\xa0versus host (GVH) reaction: It refers to the immune response of graft\xa0against the antigens of\xa0the host, e.g. Runt disease in animals.', 'role': 'assistant'}]