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: ENT
Otospongiosis is inherited as: 
Select and explain. 
A. Autosomal dominant, B. Autosomal recessive, C. X-linked dominant, D. X-linked recessive
A: Autosomal dominant
Answer: A: Autosomal dominant 
Explanation: The exact etiology of otosclerosis is not known. In otosclerosis family history/heredity plays an impoant role. About 50% of patients of otosclerosis have a positive family history. It is an automosal dominant condition Shows incomplete penetrance and variable expression