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Jennifer Doudna and her colleagues found an enzyme in bacteria that makes editing DNA in animal cells much easier. Cailey Cotner/UC Berkeley hide caption

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Cailey Cotner/UC Berkeley

In Hopes Of Fixing Faulty Genes, One Scientist Starts With The Basics

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Vera Wojtesta was one of 300 babies flagged by New York's newborn screening program as at risk of having life-threatening Krabbe disease. Ben Shutts/Courtesy of the Wojtesta family hide caption

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Ben Shutts/Courtesy of the Wojtesta family

Screening Newborns For Disease Can Leave Families In Limbo

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This micrograph shows a single mitochondrion (yellow), one of many little energy factories inside a cell. Keith R. Porter/Science Source hide caption

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Keith R. Porter/Science Source

Proposed Treatment To Fix Genetic Diseases Raises Ethical Issues

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Artist's representation of DNA. iStockphoto.com hide caption

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iStockphoto.com

When researchers looked at the genetic sequences of 179 individuals, they found far more defects in the patterns of As, Ts, Gs, and Cs than they expected. iStockphoto.com hide caption

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iStockphoto.com

An image of researchers at Oregon Health & Science University removing the nucleus from the mother's cell before it's inserted into the donor's egg cell. Courtesty of Oregon Health & Science University hide caption

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Courtesty of Oregon Health & Science University

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

The genetic factors responsible for a cat's stripes might help researchers understand disease resistance in humans. kennymatic via Flickr hide caption

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kennymatic via Flickr

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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