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A Genetic Study on Deaf Twins

Published online by Cambridge University Press:  27 January 2025

Masatoshi Horiuchi
Masatoshi Horiuchi*
Affiliation:
Department of Otolaryngology, School of Medicine, Keio University, Tokyo, Japan
*
1-35-16 Shimiru Suginami-ku, Tokyo, Japan

Abstract

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A clinical and genetic study on 25 twin pairs with at least one deaf member was performed. Concordance rate of hearing loss was 0.88 in MZ and 0.50 in DZ pairs, with an almost complete penetrance (P = 0.94). Consanguinity was found in 32% of cases, corresponding to five times the average population rate in Japan.

Type
7. Twin Studies in Medical and Clinical Genetics
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 25 , January 1976 , pp. 289 - 291
Copyright
Copyright © The International Society for Twin Studies 1976

References

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