Child developmental specialists work with children who have developmental disabilities as well as their families and teachers. Developmental specialists do not diagnose these disorders but they do help children overcome any developmental obstacles they face as they grow and begin their education.
Welcome to icliniq.com. 1  There is always a small risk of having a child with deafness, even if there is no family history of deafness (1 in 1000). 2  So, precise risk can only be stated after knowing the cause of deafness and muteness and also after appropriate gene studies. Ideally, person in question should be tested for the connexin 26 and connexin 30 gene mutation. Since girl is not deaf and mute, there is very less chance that she is a carrier of gene.
As one of the most common genetic causes of hearing loss, GJB2-related hearing loss is considered a recessive genetic disorder because the mutations only cause deafness in individuals who inherit two copies of the mutated gene, one from each parent.nherited genetic defects play an important role in congenital hearing loss, contributing to about 60 percent of deafness occurring in infants. Although exact data is not available, it is likely that genetics plays an important role in hearing loss in the elderly.