This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Familial polyposis coli is due to \nSelect and explain. \nA. Abnormality of chromosomes five, B. Abnormality of chromosomes, C. Intestinal tuberculosis, D. Intussusception', 'role': 'user'}, {'content': "Answer: A \nExplanation: .desmoid tumour is often associated with the familial polyposis colon (FAP), osteomas, odontomes epidermal cysts-- Gardner's syndrome.it is usually due to genetic abnormality involving chromosome 5. ref:SRB&;s manual of surgery ,ed 3,pg no 776", 'role': 'assistant'}]