Low-cost personal DNA readings are on the way
By Peter Aldhous, New Scientist | 09. 06. 2007
"GENETICS is about to get personal." So proclaims the website of 23andMe, a Californian company that is gearing up to offer people a guided tour of their own DNA. For the superstars of genetics, it has already got personal. Earlier this week, genomics pioneer Craig Venter revealed an almost complete sequence of his genome, while that of James Watson, co-discoverer of DNA's double-helix structure, has been available on the web since late June.
Given that Watson's genome took almost $1 million to read, most of us won't immediately be following in his and Venter's footsteps. It isn't necessary to read your entire genome, however, to browse many of the genetic variations that may influence your health. According to George Church, a geneticist at Harvard Medical School in Boston, the most pertinent information could be gleaned by sequencing the 1 per cent of the genome that codes for proteins. Thanks to the advances in sequencing technology, that might be done for as little as $1000 per person. "DNA chips", meanwhile, can scan your genome for common "spelling mistakes" for...
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