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
Mode of inheritance of otosclerosis is 
Select and explain. 
A. Autosomal Recessive, B. X linked Recessive, C. Autosomal Dominant, D. Y linked
C: Autosomal Dominant
Answer: C: Autosomal Dominant 
Explanation: 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