• "By using these tricks we can predict, with substantial accuracy, the genome of the entire nation," the chief executive of deCODE, Dr Kari Stefansson told the BBC News website.
  • The data is all anonymous at the moment. Using such data in medicine would raise ethical issues, including identifying deadly disease genes in people who never volunteered their own DNA for study.
  • The project made a series of other discoveries including a new gene linked to Alzheimer's disease. The team has calculated a new estimate for the last common ancestor of all men by looking at the rate of mutation in the male Y-chromosome. They believe the last common ancestor was 239,000 years ago - down from a previous estimate of 308,000 years ago.

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