Guest guest Posted September 25, 1999 Report Share Posted September 25, 1999 Regarding 's question about odds, I assume she's asking the odds that she and her husband are carriers of mutant genes. The data she gives do not allow assessment of spontaneous mutations and environmental factors. If she or her husband had a dominant mutation, I would expect the carrier to have some sort of hearing abnormality, so I think those possiblities are unlikely. Anyone who wants to challenge because of possible variable expressivity or genetic anticipation can feel free to work the odds. If she and her husband each had a recessive mutation, the odds of one out of two children being deaf are 3/8. A different viewpoint on genetic testing and insurance: People on this list seem to be concerned about whether insurance will pay for testing. On some other disability-related lists I've participated in, the concerns are different. People are concerned that once they're determined to be carrying a mutant gene with increased risk of problems, that could be considered a " preexisting condition " and the insurance carriers would refuse to cover it. Leon Leon Metlay and Nina Klionsky metlionsky@... Making the world safe for dustbunnies since 1977 Quote Link to comment Share on other sites More sharing options...
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