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New genomic analysis of Otzi the Iceman
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[QUOTE]Originally posted by Swenet: [QB] [QUOTE]Originally posted by Swenet: @BrandonP As far as the wider implications (you mentioned ANF), these revelations (e.g. [qb]the piecemeal spread of skin pigmentation genes, the surprisingly late appearance of CHG that is in modern Egypt, today[/qb]) are welcome because they're the [b]genetic correlates of the physical change[/b] we see in the Mediterranean skeletal data (Brace et al 2005), and we've not had that, so far. [/QUOTE]Might be interesting for some that lactose intolerance is possibly another example of this for ancient Egypt, as ancient documents reveal milk was important in the AE diet, while modern Egyptians [URL=https://vividmaps.com/wp-content/uploads/2021/03/Lactose.jpg]largely can't digest milk[/URL], and to the extent that they can, they're seemingly not on the African hapotypes, but possibly on non-African ones (compare the discrepancy in the [URL=https://indo-european.eu/wp-content/uploads/2020/08/lactase-persistence-africa.jpg]frequency of known LP alleles[/URL] with the [URL=https://www.sapiens.org/app/uploads/2018/10/02-Lactose_tolerance_in_the_Old_World.jpg]frequency of digestors in five samples from modern Egypt[/URL]). Though I'm waiting for more info on African LP before I make up my mind on this, it's still curious that modern Egyptians show a dip in the frequency of this trait ( [URL=https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fng1946/MediaObjects/41588_2007_Article_BFng1946_Fig2_HTML.jpg]compared to nearby Afroasiatic groups, like the Beja[/URL]), given the lower Nile (Egypt, Nubia)'s involvement in the spread of African-style pastoralism, which in that region involved the use of domesticates for milk more than for meat, among other African-specific uses of cattle. [/QB][/QUOTE]
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