A new look at living people’s DNA reveals that the human genome just isn’t what it was in Neolithic times.
Most of the genetic quirks people carry today popped up within the last 5,000 years or so, researchers report online November 28 in Nature. Human populations exploded from no more than a few million to 7 billion, thanks largely to the rise of agriculture.
View the original article here: Genetic diversity exploded in recent millennia