the disease has a familial hereditary tendency, genetic research shows a non-singleness genetic character, and the manifestations of its pathogenic gene and mutation site are various.
本病有家族遗传倾向,遗传学研究呈非单一性遗传特点,其致病基因及突变位点表现多样。
objective to identify the pathogenic gene for a non-syndromic hearing loss family.