Out-of-Africa Migration Selected Novelty-Seeking Genes

From New Scientist:

AS HUMANS migrated out of Africa around 50,000 years ago and moved across the planet, evolution may have latched onto a gene linked to risk-taking and adventurousness.

The idea, first put forward by Chuansheng Chen at the University of California, Irvine, more than a decade ago, was originally met with scepticism. Now Luke Matthews of Harvard University and Paul Butler of Boston University have shown that a link between two versions of a specific gene and ancient migration patterns stands up to rigorous analysis…

The study suggests that some small portion of the behaviours that characterise populations may be down to genetics, and that cultural actions like mass migration can modify our genes, says Matthews.

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