What I find incredible about this map, is the sharp boundaries. Perhaps @razibkhan can comment?
https://blogs.ancestry.com/cm/what-770000-tubes-of-saliva-reveal-about-america/ …pic.twitter.com/mnGUbCLze2
From the paper: "clusters show almost no differentiation in allele frequencies and high levels of IBD to non-cluster members"
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So boundaries are not sharp at all. The Fixation Index between most of the big clusters is 0.000.pic.twitter.com/zMEs9EBh1O
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