99% of recessive gene holder have no idea they have it. Why would they seek genetic counseling before they have a child? Oh, and it is the most prevalent genetic "defect". Scienctists believe it carries benefits, and that is why it continues to be passed along.
(To all) So, in essence genetically deaf people can not get stem cells? That is 50% of the people born deaf.....This "cure" is getting smaller and smaller
