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Cystic fibrosis is the first genetic disorder discussed.
Several articles explain research that has been conducted to locate the genetic mutations that cause this disorder. Drug therapy and gene therapy approaches used to combat cystic fibrosis are described, as are screening procedures for genetic diseases. For the next disorder listed, Huntington's disease, the author describes the research efforts of an American scientist and a Venezuelan village she studied. The next article discusses the Human Genome Project. Once complete, this map will help scientists to locate the sources of nearly 4000 known genetic disorders, as well as of diseases that are produced in part by genetic malfunctions.