E.P. Grondine wrote:Hi countrcultur -
No links, but i think if you search for Etruscan DNA you'll find them.
That would explain the strong "nasal" feature.
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E.P. Grondine wrote:Hi countrcultur -
No links, but i think if you search for Etruscan DNA you'll find them.
It means they're comparing the DNA of contemporary indigenous people here with the DNA contemporary people indigenous to Western Asia. Then transposing this, via a leap of faith, to the situation during the Pleistocene era.countrcultur wrote:"Indigenous Amerindian genetic studies indicate that the "colonizing founders" of the Americas emerged from a single-source ancestral population that evolved in isolation, likely in Beringia."
Does that mean the dna is linked to asia or anywhere else? Is the DNA connected to anywhere else?
NBBBFarpoint wrote: of course European genetic influence started 400 years plus before this picture, none the less, they just don't look (metaphorically) Korean.
Edit: or 16000 years ago
Farpoint wrote:Sinodonty . . . The strong nasal appearance
Ok, Uni, you got me, what does NBBB and NB mean?uniface wrote:It means they're comparing the DNA of contemporary indigenous people here with the DNA contemporary people indigenous to Western Asia. Then transposing this, via a leap of faith, to the situation during the Pleistocene era.countrcultur wrote:"Indigenous Amerindian genetic studies indicate that the "colonizing founders" of the Americas emerged from a single-source ancestral population that evolved in isolation, likely in Beringia."
Does that mean the dna is linked to asia or anywhere else? Is the DNA connected to anywhere else?
NBBBFarpoint wrote: of course European genetic influence started 400 years plus before this picture, none the less, they just don't look (metaphorically) Korean.
Edit: or 16000 years ago
Farpoint wrote:Sinodonty . . . The strong nasal appearance
NB. Compare with the facial reconstruction of Kennewick Man.
uniface wrote:Old school academic abbreviation. Like ibid(em), op(us) cit(atus) & that stuff.
NB = Nota bene ("Note well)
NBB = Note very well (This is really important - pay attention !)
NBBB is my own whimsy I suppose.
What I wonder about is how well the genetics can be parsed to separate African and European gene flow from 16Kya or 500ya?Americans.
For Native Americans, we observed six expansions of
lineages, of which four (A2, B2, C1 and D1) were shared by different
populations. The four lineages were also the main constitutions and
founding lineages in American gene pool30–32. The remaining 2
lineages, B2d and A2w were CLM-specific (see Figure 6). As
expected, we found some African L lineages and European N
lineages which might be admixed from recent contacts with
immigrants. For example, in MXL, African component (U6) was about
3% and European component (H, V and W) was about 12%
(Table S4), similar to the recent analysis in random Mexican sample
(3.1% and 13.6% respectively)33. To analyze the lineages autochthonous
to the New World, we focused on the classical Native
American haplogroups A2, B2, C1, D1 and D4h3, of which the
former 4 haplogroups showed star-like patterns. Time estimates
were generated according to different methods and rates (Table
S2), and the ages of 4 main clusters (A2, B2, C1 and D1) were
between the LGM and 13 kya. According to the previous model,
these lineages expanded rightly after the LGM via a coastal
(Pacific) route from Northern refuge (Beringia) towards the south.
The dispersal to the whole America continent was accomplished in a
very short time, probably in just several thousand years31,32,34–37.
The BSP plots (Figure 7B) including all Native American samples
also showed a huge expansion about 100 folds at 12 kya, which is
virtually identical to the former analysis38. In addition, all BSPs of
Americans (Figure 2 and 7B) showed recent bottlenecks, which
might be the impact of European contact39.
In Americas, agriculture originated independently in central
Mexico and Northern part of South America about 524 kya2, while
some researchers thought that the earliest agriculture could be traced
to Valdivia Valley in Chile , 6.4 kya15. Whenever the first farming occurred,
the expansions in America seemed have occurred much
earlier than the first appearance of agriculture.