Genetic testing under the microscope

Angela Trepanier, president of the National Society of Genetic Counselors, says the future of the industry contains risks and rewards. Someday soon, a company will offer to decode your genome for as little as $1,000. To make sense of your unique collection of A's, Cs, Ts and Gs, you may turn to a genetic counselor -- DNA guides who have been advising patients since the early 1970s. The profession routinely appears on lists of hot jobs for the 21st century.

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