Otosclerosis is an early-middle adult life genetic disease affecting b
one remodelling in the ear. Current knowledge of otosclerosis as an in
herited disease dates to the mid-19th century, and we report here an a
ttempt to understand the genetics of otosclerosis and detect its heter
ogeneity. The analysis was conducted on 151 otosclerotic families. The
results of our study indicate that while heredity plays an important
role in the manifestation of the disease a substantial portion of otos
clerotic cases could arise due to non-genetic causes.