Chapter 064. The Practice of Genetics in Clinical Medicine (Part 2)
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Population Screening Mass genetic screening programs require tests of high enough sensitivity and specificity to be cost-effective. An effective screening program should fulfill the following criteria: that the tested disorder is prevalent and serious; that it can be influenced presymptomatically through lifestyle changes, screening, or medications; and that identification of risk does not result in undue discrimination or harm. Screening individuals of Jewish descent for the autosomal recessive neurodegenerative disorder Tay-Sachs disease has resulted in a dramatic decline in the incidence of this syndrome in the United States. On the other hand, screening for sickle cell disease or trait...
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