Is there a little Fred Flintstone in you? According to a new genetic analysis, some of the human X chromosome originates from Neanderthals -- but it's found exclusively in people outside Africa. The ancestors of Neanderthals left Africa about 400,000 to 800,000 years ago. They evolved over the millennia mostly in what are now France, Spain, Germany and Russia, and went extinct (or were simply absorbed into the modern human population) about 30,000 years ago. The ancestors of early modern humans left Africa about 80,000 to 50,000 years ago, according to DiscoveryNews.com. Despite that wide spread in time, genetic material...
