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‘Ghosts’ of 2 unknown extinct human species found in modern DNA

‘Ghosts’ of 2 unknown extinct human species found in modern DNA

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When modern humans started emerging from Africa and spreading throughout Eurasia, they found many places already occupied by older hominins such as Neanderthals and Denisovans. As humans do, we got rather friendly with our new neighbours: evidence of that hanky panky lives on in our DNA today. But we’re also starting to find glimpses of something strange in our neighbourhoods – traces of ancient, unknown hominins that we’ve never seen before. “Each of us carry within ourselves the genetic traces of these past mixing events,” said biologist João Teixeira of the University of Adelaide. “These archaic groups were widespread and genetically diverse, and they survive in each of us. Their story is an integral part of how we came to be.” After closely analysing the existing literature, Teixeira and his colleague biologist Alan Cooper have identified two such ‘ghost’ ancestors in modern DNA. The first, identified in Eurasian DNA with the help of artificial intelligence, was widely reported…
Source: ‘Ghosts’ of 2 unknown extinct human species found in modern DNA

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