Since I was talking to @CovfefeAnon about whether "race" is a binary category or a smooth manifold, I thought it would be interesting to do a thesis-antithesis-synthesis in pictures.
Thesis:pic.twitter.com/hqEBmNmOBg
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Now, interbreeding is possible between human species but that's the case for many separate species and doesn't imply a continuum between the species if there was no historical range where there was a smooth transition from one species to another.
Even species where that is the case - polar bears and brown bears - no one has any trouble recognizing that they are separate species and there's no continuum of polar-brown bears.
You can see from UMAP (which I trust a lot more than PCA) that there are some fairly discrete segments, plus areas that are more continuous, especially when you have genetic admixture.pic.twitter.com/0lOx7dZ1yB
No way on Earth Ashkenazi are closer to Africans than to Finns or Swedes. This doesn't accord with any other measurement at all and is insane.
I think of this post a lot, I think it's your favorite poast. 'You just go ahead and dm CovfefeAnon about the genetic distance between coyotes and NA wolves, he'll help you out'.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.