The Proton Semiconductor Sequencer from Ion Torrent Systems Inc. is a new DNA sequencing machine designed to sequence the entire human genome in about eight hours for $1,000. Ethan Miller/Getty Images hide caption

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Ethan Miller/Getty Images

Will Low-Cost Genome Sequencing Open 'Pandora's Box'?

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Sara Terry and her son, Christian, in Spring, Texas. After sequencing Christian's genome, doctors were able to diagnose him with a Noonan-like syndrome. Eric Kayne for NPR hide caption

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Eric Kayne for NPR

Doctors Sift Through Patients' Genomes To Solve Medical Mysteries

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Watson, now 84, says sequencing helped explain his past sensitivity to certain drugs. But he didn't want to know everything his sequenced genome revealed about his health future. Courtesy of Cold Spring Harbor Laboratory hide caption

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Courtesy of Cold Spring Harbor Laboratory

Scientists See Upside And Downside Of Sequencing Their Own Genes

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Slides containing DNA sit in a bay waiting to be analyzed by a genome sequencing machine. David Paul Morris/Bloomberg via Getty Images hide caption

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David Paul Morris/Bloomberg via Getty Images

As Genetic Sequencing Spreads, Excitement, Worries Grow

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Human chromosomes like these contain genes and lots of other genetic material whose function has been a mystery. National Cancer Institute via AP hide caption

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National Cancer Institute via AP

Scientists Unveil 'Google Maps' For Human Genome

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