Pedigree of an American Huntington's disease family.
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Pedigree of an American Huntington's disease family.
Symbols: circles, females; squares, males; a black symbol indicates that an individual is affected with Huntington's disease; a slashed symbol indicates that an individual is deceased.
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For disorders that are preventable or treatable, most people agree that genetic testing makes sense. But for diseases with no preventative measures, would you want to know if you were affected?
Huntingtin was the first disease gene mapped to a specific chromosome. How did scientists do it and what have we learned since then?
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