For an arbitrary mental construct, it is remarkable how closely race matches clusters in a principal component analysis of the human genome: https://commons.wik

For an arbitrary mental construct, it is remarkable how closely race matches clusters in a principal component analysis of the human genome: https://commons.wikimedia.org/wiki/File:Worldwide_Admixture_structure.png#/media/File:Individual-level_human_population_structure2.png https://commons.wikimedia.org/wiki/File:Worldwide_Admixture_...