Neanderthal genes: everywhere (Introduction)
Those genes are world travellers:-http://www.sciencedaily.com/releases/2013/12/131218100229.htm-And interbreeding:-http://www.sciencedaily.com/releases/2013/12/131218133658.htm
Those genes are world travellers:-http://www.sciencedaily.com/releases/2013/12/131218100229.htm-And interbreeding:-http://www.sciencedaily.com/releases/2013/12/131218133658.htm