The following excerpt is from the December 13, 2012 edition of sciencecodex.com:

Mountain View, Calif. – December 13, 2012 — 23andMe, the leading personal genetics company, today announced the availability of Ancestry Composition, a new feature that provides state-of-the-art geographic illustration of an individual’s ancestral origins. Using 22 reference populations, the feature indicates what percent of a person’s ancestry comes from various regions around the world. The analysis includes DNA inherited from all ancestors on both sides of the family. The results reflect where an individual’s ancestors lived going back approximately 500 years.

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