Here's a link to the study in Molecular Biology and Evolution: http://mbe.oxfordjournals.org/content/early/2014/01/20/molbev.msu049 > From: [email protected] > To: [email protected] > Date: Thu, 30 Jan 2014 13:06:15 -0700 > Subject: Re: [yDNAhgI] Another Ancient DNA Study: A Milk Mystery... > > Because dairy farming was a productive human enterprise if population had > the mutation. > > > > Kenneth Nordtvedt > > Haplogroup I Clade Modalities and Trees at: > http://knordtvedt.home.bresnan.net > > -----Original Message----- > From: Matthew Simonds > Sent: Thursday, January 30, 2014 12:31 PM > To: [email protected] > Subject: Re: [yDNAhgI] Another Ancient DNA Study: A Milk Mystery... > > > For > thousands and thousands of years, adults couldn't digest dairy products > without > an upset stomach and a trip to the bathroom. > > And then one day, poof! > > > > A few changes in our DNA gave about a third of the > world's population – mostly Europeans — the ability to knock back cheese, > pizza > and chocolate ice cream without a care in the world. > > > > But why? Why did this ability to digest lactose > suddenly crop up in our European ancestors about 10,000 years ago? That's > been > a big mystery for scientists… > > > > To > start filling in those blanks, Sverrisdóttir and her team analyzed the DNA > of > bones from 5,000-year-old farmers found in northern Spain. None of the eight > individuals had the genetic mutation giving them the ability to digest milk > as > adults. > > > > In contrast, a third of the population in Spain today > is lactose tolerant. So in the span of just a few thousand years, that > ability > spread rapidly throughout the country. > > > > > > http://www.npr.org/blogs/thesalt/2014/01/23/265224739/a-milk-mystery-did-gloomy-weather-make-us-love-the-stuff > > ------------------------------- > To unsubscribe from the list, please send an email to > [email protected] with the word 'unsubscribe' without > the quotes in the subject and the body of the message > > > ------------------------------- > To unsubscribe from the list, please send an email to [email protected] with the word 'unsubscribe' without the quotes in the subject and the body of the message