The appropriate approach to that chart is to believe our lying eyes, yes? Even with that (relatively) small amount of genetic data, three racial groups are readily apparent, with the Ashkenazi Jews standing out quite drastically.
And since you brought up IQ, it's interesting to note that the Ashkenazi tend to average 10-15 IQ points higher than the rest of Europe. Check out this article from the Journal of Biosocial Science: http://homepage.mac.com/harpend/.Public/AshkenaziIQ.jbiosocs...
The appropriate approach to that chart is to believe our lying eyes, yes? Even with that (relatively) small amount of genetic data, three racial groups are readily apparent, with the Ashkenazi Jews standing out quite drastically.
And since you brought up IQ, it's interesting to note that the Ashkenazi tend to average 10-15 IQ points higher than the rest of Europe. Check out this article from the Journal of Biosocial Science: http://homepage.mac.com/harpend/.Public/AshkenaziIQ.jbiosocs...