This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Mode of inheritance of otosclerosis is \nSelect and explain. \nA. Autosomal Recessive, B. X linked Recessive, C. Autosomal Dominant, D. Y linked', 'role': 'user'}, {'content': 'Answer: C \nExplanation: There is a marked hereditary tendency to otosclerosis in ceain families, and in nearly 50 percent of cases, a positive family history can be obtained. The pattern of inheritance is autosomal dominant with incomplete penetrance.Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 95 - 98', 'role': 'assistant'}]