Humans, Denisovans & Neanderthals Were Genetically Less Different Than Polar Bears & Brown Bears

A study published a couple days ago in the Proceedings of the Royal Society B shows us that ancient humans, Neanderthals and Denisovans had more genetic similarities than polar bears and brown bears do. In other words, the genetic distance between our ancient relatives and us was smaller than between pairs of species that are... Continue Reading →

Denisovans & Modern Humans Introgressed At Least Twice

Sharon Browning and colleagues published a paper in Cell last week that shows there are uniquely different Denisovan genomes in the DNA of East Asian individuals, indicating that interbreeding with Homo sapiens happened in two independent episodes. See we already knew Aboriginal genomes from Australia and Papua New Guinea contain fragments of Denisovan DNA. Introgression of... Continue Reading →

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