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Archaeological Revelation in Oman Changes Views on OOA Migrations
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[QUOTE]Originally posted by Swenet: [QB] Hate to be a party pooper, but: [i][b]Although fossil remains show that anatomically modern humans dispersed out of Africa into the Near East ∼100–130 ka,[/b] genetic evidence from extant populations has suggested that non-Africans descend primarily from a single successful later migration. Within the human mtDNA tree, haplogroup L3 encompasses not only many sub-Saharan Africans but also all ancient non-African lineages, [b]and its age therefore provides an upper bound[/b] for the dispersal out of Africa. [b]An analysis of 369 complete African L3 sequences places this maximum at ∼70 ka, virtually ruling out a successful exit before 74 ka,[/b] the date of the Toba volcanic super-eruption in Sumatra.[/i] --Cerezo et al (2012) http://genome.cshlp.org/content/22/5/821.full [/QB][/QUOTE]
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