Two congenital deaf and dumb pedigrees were reported,the hereditary model of two congenital deaf and dumb pedigree was autosome recessive heredity,which controlled by two pairs of genes.

• 报道了两个先天性聋哑家系.；这两个家系中的先天性聋哑属常染色体隐性遗传，且有两对基因控制。