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U6: how old? from where? associated originating phenotypes?
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[QUOTE]Originally posted by Djehuti: [QB] [QUOTE]Originally posted by Tukuler: [qb] [QUOTE]Originally posted by the lyinass,: [qb] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC270091/ [/qb][/QUOTE]We don't need postings of complete reports especially when the poster presents no value add -- independent analysis, critique, comment.[/qb][/QUOTE][b]LOL[/b] What do you expect? The lyinass will brainlessly parrot any author or source she thinks supports her agenda yet offers nothing of her own thoughts likely because she doesn't understand the very material she cites! :D [QUOTE][qb]Maca-Meyer presents something totally untenable, U6 as Caucasian implying origin and a phenotype non-existant 35,000 years ago. This is why [b]Eur[/b]asia vs [b]Afro[/b]asia at that distant time is an integral element in this discussion. Eurasian implies Caucasian but the Levant and Arabian plate are much more Afroasian than any thing else. If U6 did arise in the Levant&Arabian plate 35k, and this applies to the parent U haplogroup too, what was the region like between 60 and 30k and was it inductive to development of the so-called Caucasian phenotype(s). Is it more likely to have housed Northeast and East African phenotypes that much later further developed toward the features associated with Maca-Meyers undefined "Caucasians?" This is why the nomenclature is no arbitrary name game. Does the physical anthropology of Eurasians 60 - 30k support any notion of Caucasians as we know them. Where is the line separating the Caucasians from the caucasoids since even a subset of non-white Africans and others are labeled caucasoid implying Caucasian origin or admixture where none exists. Maca-Meyer definitely reveals her Eurocentric streak by using straight up Caucasian instead of the more ambiguous caucasoid.[/qb][/QUOTE]Right you are! Of course what you point out was pointed out by the rest of us many times before. As for physical evidence of human remains. We have Nazlet Khater man of Egypt dated 33-30 kya not long after U6 arose supposedly in 'the Levant' and entered Egypt. [IMG]http://antropogenez.ru/uploads/tx_antropedia/Nazlet_Khater.jpg[/IMG] [i] Nazlet Khater man was the earliest modern human skeleton found near Luxor, in 1980. The remains was dated from between 35,000 and 30,000 years ago. The report regarding the racial affinity of this skeleton concludes: "[b]Strong alveolar prognathism combined with fossa praenasalis in an African skull is suggestive of Negroid morphology.[/b] The radio-humeral index of Nazlet Khater is practically the same as the mean of Taforalt (76.6). According to Ferembach (1965) [b]this value is near to the Negroid average.[/b]" The burial was of a young man of 17-20 years old, whose skeleton lay in a 160cm- long narrow ditch aligned from east to west. A flint tool, which was laid carefully on the bottom of the grave, dates the burial as contemporaneous with a nearby flint quarry. The morphological features of the Nazlet Khater skeleton were analysed by Thoma (1984). The 35,000 year old skeleton was examined using multivariate statistical procedures. In the first part, principal components analysis is performed on a dataset of mandible dimensions of 220 fossils, sub-fossils and modern specimens, ranging in time from the Late Pleistocene to recent and restricted in space to the African continent and Southern Levant.[/i] ---Thoma A., Morphology and Affinities of the Nazlet Khater Man; Journal of Human Evolution, vol. 13, 1984 [i][b]Nazlet Khater falls closer to the Late Palaeolithic Nubian samples . . . If an ancestral descendant relationship existed between Nazlet Khater and the Late Palaeolithic Nubian specimens, then regional continuity persisted among the Upper/Late Pleistocene populations of the Upper Nile region. The Nazlet Khater specimen is part of a relict population which is a descendant of a larger sub-Saharan stock,[/b] which extended as far north as present day upper Egypt sometime during the Last Interglacial period, or the early part of the Last Glacial period. In such a scenario, the Nazlet Khater belongs to a relict population which retained some of the morphological features [form & structure] that were present among Middle Stone Age populations, but no longer present in other contemporaneous sub-Saharan and North African populations.[/i] ---The Position of the Nazlet Khater Specimen Among Prehistoric and Modern African and Levantine Populations, Ron Pinhasi, Departent of Biological Anthropology, University of Cambridge, U.K., Patrick Semal, Belgian Institute of Natural Sciences, Belgium; Journal of Human Evolution (2000) vol. 39, 269–288. As for archaeology, I'm unfamiliar with Nazlet Khater's culture, though I'm certain there is no indication of Eurasian derived origins. [QUOTE][qb]In all fairness we can't ignore Kivisild where he says [i]"A mimicry between U6 and M1 has been suggested [28,29]. [URL=http://underscore]Both are likely derived from a non-African ancestral clade[/URL] at a similar time depth and both are largely confined to North and East Africa and the Middle East in their present- day geographic distribution."[/i] I have been struggling trying to tie that in with [i]"A Southwest Asian origin has been proposed for U6 and M1 [27-29]. Yet, this claim remains speculative unless some novel “earlier” Southwest Asian-specific clades, distinct from the known haplogroups, are found in which the described so far M1 and U6 lineages are nested."[/i] [/qb][/QUOTE]As Explorer stated all the basal U6 haplotypes found so far are in West Africa. As for M1, I could be mistaken but I thought East Africa has the highest frequency of M1 specifically in the Horn area. Why does it sound like they are saying it has higher frequencies in Arabia? [/QB][/QUOTE]
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