What European DNA Can Say About Ancestry, Disease Risk, and Cultural Traits

October 21, 2011
All the drama in the European Union right now has reignited talk about the cultural divide between people on the continent. Although all humans are over 99 percent identical genetically, even in the tight geographic confines of Europe there is enough genetic variation that 23andMe researchers can use it to determine from where in Europe a person came -- and whether they are more or less likely to be an extravert.
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