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Tag Archives: speciation
Neandertal-human admixture and early Homo
Last week’s pre-publication of a paper addressing the alternative hypotheses of Neandertal-human admixture vs. ancient African population structure, with respect explaining the signal of Neandertal DNA in living humans, has generated a lot of great posts. First, John Hawks has … Continue reading
Posted in Evolution, Fossils, Genetics
Tagged early Homo, modern human origins, Neandertals, speciation
4 Comments
Quotes for the day – Expansion and speciation
Continuous expansion to new environments is the most general overriding feature of all adaptive radiation. The pattern of this divergence between populations and species is partly predictable from principles of quantitative genetic covariation. The initials stages of divergence between populations … Continue reading
Posted in Evolution, Fossils
Tagged adaptive radiation, early Homo, speciation
Comments Off on Quotes for the day – Expansion and speciation
Linearity and simplicity in the fossil record
Spend time reading about human evolution and it will not be long until you come across a discussion of “bushy” vs. “linear” evolutionary scenarios or arguments between taxonomic “splitters” (favoring more species) and “lumpers” (favoring fewer species). I will, up … Continue reading
Posted in Evolution, Fossils
Tagged early Homo, speciation, taxonomy
Comments Off on Linearity and simplicity in the fossil record