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
[{'content': 'True of autosomal dominant polycystic kidney disease I and II respectiely - \nSelect and explain. \nA. Chromosomes 16 and 5, B. 16 and 4, C. 11 and 5, D. 11 and 4', 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer is 'b' i.e. 16 and 4 Three forms of ADPKD have been identified. ADPKD-1 - accounts for 85% of cases - its gene is found on chromosome 16p ADPKD-2 - its gene has been mapped to chromosome 4q - it appears to have a later age of onset of symptoms and renal failure than ADPKD-1 ADPKD-3 - it has not been mapped to a gene uptill now.", 'role': 'assistant'}]