Is the connexin 26 gene (causes deafness) passed down from generations?

Recessive or dominan. This mutation can be passed down in either an autosomal dominant or more commonly autosomal recessive form. In the dominant form, if one parent is affected, there is a 50% -50% chance for every child to be healthy or have the mutation and therefore hearing loss. In the recessive form, a child would need to have 2 defective genes (one from each carrier parent) to have hearing loss.Hope this helps.