Saturday, April 26, 2014

Sexy Farmers

The Daily Mail looks at a new study of hunter-gatherers and farmers which finds that the farmers drew the hunter-gatherers into their communities:
A genomic analysis of eleven Stone-Age human remains from Scandinavia revealed that expanding Stone-age farmers assimilated local hunter-gatherers into their community, but that the traffic was one way.
The discovery sheds new light on the transition between a hunting-gathering lifestyle and a farming lifestyle, which has been debated for a century.
'We see clear evidence that people from hunter-gatherer groups were incorporated into farming groups as they expanded across Europe', says Pontus Skoglund at Uppsala University in Sweden.
'This might be clues towards something that happened also when agriculture spread in other parts of the world.
'The asymmetric gene-flow shows that the farming groups assimilated hunter-gatherer groups, at least partly', says Mattias Jakobsson, who also worked on the study.
'When we compare Scandinavian to central European farming groups that lived at about the same time, we see greater levels of hunter-gatherer gene-flow into the Scandinavian farming groups.'
DNA analysis also showed that the farmers and hunter-gatherers descended from distinct genetic lineages.
'It is quite clear that the two groups are very different,' says Skoglund.
Comparisons with the genes of modern populations revealed them to be more distinct that the genomes of modern Scandinavians and Italians.
Uppsala University in Sweden and his colleagues sequenced the DNA from 11 early hunter-gatherers and farmers dating back to between 5000 and 7000 years ago.
So were the hunter-gatherer women attracted to the farmer men, or were the hunter-gatherer men drawn to the hot farmers' daughters.  Based on personal experience, I'd guess it's number 2.

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