Word: neurogeneticist
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Dates: during 1980-1989
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...stretching back over many generations. After three years of work, they isolated two genetic markers, or molecular signposts, on chromosome 21 that are located close to the still unknown gene responsible for the inherited form of the disease. "The identification of these markers overcomes a major hurdle," says M.G.H. Neurogeneticist James Gusella, who directed the research. "This is the first step toward the identification of the primary cause of the disease." (Gusella has another claim to fame: he headed the group that in 1983 found the long-sought marker for Huntington's disease...
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