Have humans undergone selective breeding?

There was a Nazi program called Lebensborn, in which blond-haired Europeans are encouraged to reproduce more than the darker hair in hopes to expand the so-called “Aryan” genes. read more

For selective breeding to have an impact on humans, it would need to go on for many, many generations. And human generations are excessively long. Human cultures change and mingle too frequently for any such thing to go on for the hundreds and hundreds of years needed to selectively breed humans for anything. read more

Artificial selection, also known as selective breeding, is a nice way of saying that humans have guided the evolution of other animals until they become mutants. The stories of these six human-created mutants offer a fascinating perspective on how evolution works. read more