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Our species is defined by a long list of cultural and genetic traits that set us apart from our ancient counterparts.
New research suggests at least some key distinctions date back earlier than previously estimated, hinting that modern and archaic humans – including our close, extinct relatives – have more in common than we ever thought. "Our results point to a scenario where Modern and Archaic should be regarded as populations of an otherwise common human species, which independently accumulated mutations and cultural innovations,"In a study of critical rearrangements of our chromosomes and select variations in our genes, the team looked at genome databases built fromRepresentation of human sex chromosomes, Y and X , with PAR2 seen at the far tips of the long arm on each chromosome. .
That's perhaps due to population pressures, or societal norms, the researchers suggest. It again raises the question of just how much sets us apart from the Neanderthals – a question that several studies While the researchers don't definitively answer that question – nor explicitly seek to draw the line between different kinds of human species – the authors suggest we have more in common with our archaic counterparts than we previously realized, to the point that such distinctions might need to be re-evaluated.
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