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Denisova 4, a molar. The Denisovans or Denisova hominins (/ d ə ˈ n iː s ə v ə / də-NEE-sə-və) are an extinct species or subspecies of archaic human that ranged across Asia during the Lower and Middle Paleolithic, and lived, based on current evidence, from 285 thousand to 25 thousand years ago. [1]
Denisova 11, genetic tree of ancestors. Denny (Denisova 11) is an ~90,000 year old fossil specimen belonging to a ~13-year-old Neanderthal-Denisovan hybrid girl. [1] [2] To date, she is the only first-generation hybrid hominin ever discovered. [3]
The Denisovan's two HLA-A (A*02 and A*11) and two HLA-C (C*15 and C*12:02) allotypes correspond to common alleles in modern humans, whereas one of the Denisovan's HLA-B allotype corresponds to a rare recombinant allele and the other is absent in modern humans. [48]
2010: A new species of early hominid, the Denisovans, discovered from mitochondrial and nuclear genomes recovered from bone found in a cave in Siberia. Analysis showed that the Denisovan specimen lived approximately 41,000 years ago, and shared a common ancestor with both modern humans and Neanderthals approximately 1 million years ago in ...
By way of protein analysis, researchers concluded that the Xiahe specimen belonged to a population that was closely related to the Denisovan specimens from Denisova Cave. [9] This is the first time that an ancient hominin was successfully identified using only protein analysis. [10] It is the most complete known Denisovan fossil. [10]
The fossils exhibit a mix of archaic and modern features and were tentatively thought to represent a late survival of an archaic human species, or of a hybrid population of Denisovan hominin and modern human descent, or alternatively just "an unfortunate overinterpretation and misinterpretation of robust early modern humans, probably with ...
Denisovans, Neanderthals and related hybrids may have inhabited the Denisova Cave for extended periods, but perhaps not at the same time. [6] The attribution of the needle and certain other artifacts at the cave, whether to Homo sapiens or to the Denisova hominin (also sometimes known as Homo denisova ), is uncertain.
Researchers first identified Denisovans in 2010 using DNA sequences extracted from a rare tiny fragment of finger bone found in Siberia. Now, Baishiya Karst Cave, on the northeastern edge of the ...