The United States is often described as a cultural melting pot. The degree to which that’s true socially can be debated – and, at least as regards to race, it has been debated lots lately.
But another way to look at that question could be to examine the mixing in Americans’ genetic ancestry. And that’s just what researchers at 23andMe, a genomics and biotech company, have done. Their analysis of 160,000 Americans revealed subtle differences in genetic ancestry as it relates to race across