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Inbreeding as a cause for deafness: Dadhkai study Razdan, Sushil; Raina, Sunil Kumar.; Pandita, Kamal K.; Razdan, Shiveta; Nanda, Renu; Kaul, Rajni & Dogra, Sandeep Abstract Background: We report on the higher prevalence of deaf-mutes from a village in Jammu and Kashmir State of India. Materials and Methods: A cross-sectional study among 79 deaf mutes using pedigree analysis, audiometry, imaging and molecular analysis. Results: A high rate of hereditary deafness with 79 individuals diagnosed to be suffering from non-syndrome deafness in a total population of 2452 individuals residing in the village. Interpretation: Flourishing of intermarriages led to a population with high prevalence of deafness Keywords Dadhkai, deafness, inbreeding

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