Last year an analysis of every gene in your body would have taken more than six months and cost roughly $25 million. The new desktop Genome Sequencer 20 System from 454 Life
Sciences can do it in less than a month for about $300,000. The breakthrough is a fiber-optic chip about the size of a business card that is embedded with 1.6 million wells, each a quarter the size of a human hair. The chip holds hundreds of thousands of DNA fragments.