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Leg bone yields DNA secrets of man's Neanderthal 'Eve'

Strands of DNA recovered from the fossilised leg bone of a Neanderthal have shed light on the fragility of the ancient population and pinpointed when they first split from what were to become modern humans. The 38,000-year-old bone was unearthed in a cave in Vindija in Croatia, and has since become part of a landmark project to read the entire genetic sequence of an ancient human ancestor, a feat scientists believe will help reveal how modern humans evolved into the world's dominant species.

Researchers at the Max-Planck Institute for Evolutionary Anthropology in Leipzig, Germany, read the complete sequence of DNA held in tiny biological powerhouses called mitochondria, which provide energy for cells. The mitochondria are only passed down the female line, so can be used to trace the species back to an ancestral "Eve", the mother of all Neanderthals. The team analysed the DNA of 13 genes from the Neanderthal mitochondria and found they were distinctly different to modern humans, suggesting Neanderthals never, or rarely, interbred with early humans. The genetic material shows that a Neanderthal "Eve" lived around 660,000 years ago, when the species last shared a common ancestor with humans.

Read entire article at Guardian