December 11, 2006
Recent convergent mutation (3000 Y.O.) discovered in human population
Aha! This vindicates my assertion that we should change language so that people are either normal or lactose-resistant, instead of lactose-intolerant and normal.
nytimes.com
Thanks to gregoryp™ for the reference.
A surprisingly recent instance of human evolution has been detected among the peoples of East Africa. It is the ability to digest milk in adulthood, conferred by genetic changes that occurred as recently as 3,000 years ago, a team of geneticists has found.
Posted by canton at 3:15 PM