Each strand of DNA is written in a simple language composed of four letters: A, T, C and G. Your code is unique and could be used to find you. iStockphoto.com hide caption

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Anonymity In Genetic Research Can Be Fleeting

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By sequencing a newborn's genome, doctors could screen for more genetic conditions. But parents could be confronted with confusing or ambiguous data about their baby's health. iStockphoto.com hide caption

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Genome Sequencing For Babies Brings Knowledge And Conflicts

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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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