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I suggested that your Oceanian admixture could be present in the Americas already in prehistoric times, or something more recent from Pre-Columbian contacts between Polynesia and America. But it could be something Post-Columbian as well. There are several possible scenarios how you could get that admixture.
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There was most likely both Pre- and Post-Columbian gene flow between Polynesia and America:
"Sweet potato DNA indicates early Polynesians traveled to South America":
https://phys.org/news/2013-01-sweet-...lynesians.html
"Polynesians reached South America, picked up sweet potatoes, went home":
https://arstechnica.com/science/2013...oes-went-home/
There was also Amerindian admixture among the Polynesians of Easter Island:
"The Polynesian gene pool: an early contribution by Amerindians to Easter Island":
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3267125/
But also Polynesian slaves were transported to South America in the 1800s:
https://en.wikipedia.org/wiki/Blackbirding
Hard to say if these guys came on their own, or were transported as slaves:
"Two ancient human genomes reveal Polynesian ancestry among the indigenous Botocudos of Brazil":
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4370112/
"DNA study links indigenous Brazilians to Polynesians":
http://www.nature.com/news/dna-study...esians-1.12710
There is something about those Botocudos also on this website:
https://dna-explained.com/category/native-american/
Probably prehistoric (?) Negrito-like admixture in some Amazonian tribes:
https://www.researchgate.net/publica...f_the_Americas
http://news.nationalgeographic.com/2...ology-science/
My DNA Origin analysis for 16 EUR (you get 2 reports examining ancestry from 2114 regions, 190 countries): https://www.exploreyourdna.com/DNAOrigin.aspx
This analysis is not based on G25 but on ADMIXTURE. And it has more regions than any other DNA test!


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Cranial morphology of early Americans from Lagoa Santa, Brazil: Implications for the settlement of the New World
http://www.pnas.org/content/102/51/18309.full
[B]Comparative morphological studies of the earliest human skeletons of the New World have shown that, whereas late prehistoric, recent, and present Native Americans tend to exhibit a cranial morphology similar to late and modern Northern Asians (short and wide neurocrania; high, orthognatic and broad faces; and relatively high and narrow orbits and noses), the earliest South Americans tend to be more similar to present Australians, Melanesians, and Sub-Saharan Africans (narrow and long neurocrania; prognatic, low faces; and relatively low and broad orbits and noses). However, most of the previous studies of early American human remains were based on small cranial samples. Herein we compare the largest sample of early American skulls ever studied (81 skulls of the Lagoa Santa region) with worldwide data sets representing global morphological variation in humans, through three different multivariate analyses. The results obtained from all multivariate analyses confirm a close morphological affinity between SouthAmerican Paleoindians and extant Australo-Melanesians groups, supporting the hypothesis that two distinct biological populations could have colonized the New World in the Pleistocene/Holocene transition.


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https://en.wikipedia.org/wiki/Sirion%C3%B3
Siriono = Hunter-Gatherer Indians form Bolivia
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AncestryDNA is not that good reading native and stuff. In 23andme I scored 1% native american and Ancestry DNA didnt read it at all.


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It's actually not necessarily a minority. Polish example :
http://www.theapricity.com/forum/sho...=1#post4252389
^ gets 1% south Asian. I didn't get any on this. A lot of Europeans get it.



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I seem to get Oceanian/Negrito in a lot of calculators to.
K13 Oracle
Admix Results (sorted):
# Population Percent
1 North_Atlantic 54.03
2 Baltic 25.25
3 West_Med 9.71
4 West_Asian 8.06
5 Oceanian 1.26
Dodecad World 9
Admix Results (sorted):
Population
Amerindian 0.96
East_Asian -
African -
Atlantic_Baltic 74.68
Australasian 0.97
Siberian 0.32
Caucasus_Gedrosia 12.06
Southern 10.99
South_Asian -
Eurasia K10 CHG-NAF Oracle
Admix Results (sorted):
# Population Percent
1 WHG 40.83
2 CHG 19.79
3 EHG 17.63
4 Anatolian_Farmers 17.46
5 SW_Asian 2.31
6 Papuan 1.06



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it's real and it shows on you. shrug:![]()
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