Sequencing the genes of a cancer cell turns up lots of genetic mutations — but some of them are harmless. The goal is to figure out which mutations are the troublemakers.
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Biologist Rob Knight, co-founder of the American Gut Project, recently moved the project to the University of California, San Diego's School of Medicine.
Casey A. Cass/University of Colorado
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.
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