Genetic Ancestry Tests Mostly Hype, Scientists Say
Genetic Ancestry Tests Mostly Hype, Scientists Say: "In the Genghis Khan example. . .did not have DNA samples from the Mongol warlord himself because his tomb has never been found. Instead, the company found that the accountant had a set of genetic markers very common in people from Eurasia, & particularly in the areas where Genghis Khan conquered. The rest was inference. 'There's nothing to actually tie it to him. . .It could have been some other guy alive at the time who slept around a lot.'"
When geneticists did DNA testing of the small, homogeneous, inter-related Icelandic population, they were surprised to find out that far from being 100% Viking as assumed, the Icelanders were 1/3.... Irish! These genes came from slaves raided from the Irish and Scottish coasts and brought to Iceland before 1100. Íris Sif Ragnarsdóttir by Étienne Ljóni Poisson, via Flickr http://www.flickr.com/photos/otsebmi/2821846259/#