DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
Human genome research. Researchers carrying out DNA sequencing at the Joint Genome Institute (JGI). Computers sit between the large automated sequencers. The JGI is part of the international Human Genome Project (HUGO) that aims to map the entire human genome, the three billion base pairs that form human DNA (deoxyribonucleic acid), by 2003. DNA fragments, copied using PCR (polymerase chain reaction) equipment, are sequenced to find the order of their bases. HUGO will allow the genetic cause of many diseases to be discovered. The JGI, in Walnut Creek, California, is a collaboration between three of the US Department of Energy's National Laboratories.
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