“Language Families of the World” S:1 E:33 What Do Genes Say about Language Families?

S:1 E:33 What Do Genes Say about Language Families? The idiosyncrasies that show up in DNA allow us to trace back to common ancestors, much like language traits allow us to chart language-family relationships. Take a look at the concept of glottochronology and see what linguistic theories have been confirmed by genetics in places like Europe, India, and Polynesia.