<prompt> Otospongiosis is inherited as:Autosomal dominantAutosomal recessiveX-linked dominantX-linked recessive  <response>: The exact etiology of otosclerosis is not known. In otosclerosis family historyheredity 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 