Very interesting,it seems the more I learn of this DNA the more confused I get but also intrigued.
Tony On Tuesday, December 30, 2014 5:08:22 PM UTC-8, A Faria wrote: > > It is true those populations contributed to the DNA of the Portuguese > people,Gedmatch Eurogenes 36 will pick all that up. However the oracle > admixture calculators using a primary and secondary populations should > weed out that ancient admixture from skewing the results. If I recall the > Roman historian Pliny the Elder identified all but 1 of the tribes in the > borders that constitute modern day Portugal is either Celtic or Celticized, > only one the Grovii were identified as Greek, the Grovii. Those Celtic > tribes may have origins near the Alps. I think their contribution was > significant. On one calculator Switzerland shows as my primary #1 > population. Although my results consistently show a strong affinity with > Italian populations sometimes more so than Iberian populations. Although > ancient DNA contributions from the Romans, and Celts can explain some of > that I should still show a tighter match to Portugal than I do unless I > have some admixture, which I believe is the case. > > The MDLP K23b Calculator is considered by many who have used it as the > most accurate although it is far from perfect. The four populations it uses > to approximate for ancestry I like to think of it in terms of four > grandparents. The calculator kicks out the four populations that are > closest to my blend of DNA. As my closest match it suggests two Iberian > populations, English (which is very similar to the Flemish) and > Sicilian(which the Gedmatch calculators sometimes have trouble > distinguishing from Ashkenazi Jews). Sometimes it suggests other Southern > Italian or Greek populations and I believe a couple of times Romanian Jew. > > However if you notice the closest the calculator gets to my real blend > followed by this symbol @ is 1.106954. It is unable to get to zero because > my ancestry is more complex that the ancestry of those four populations. I > suspect it it that the 5.35% North African(Berber DNA) is a bit high. Here > are my results to illustrate my point. > > > MDLP K23b Oracle Rev 2014 Sep 16 > > *Admix Results (sorted):* > > *#**Population**Percent* 1 European_Early_Farmers 33.30 2 Caucasian > 24.06 3 European_Hunters_Gatherers 22.60 4 North_African 5.35 5 > Near_East 4.67 6 South_Central_Asian 3.74 7 Ancestral_Altaic 2.59 > > Finished reading population data. 620 populations found. > 23 components mode. > > -------------------------------- > > Least-squares method. > > Using 1 population approximation: > 1 Italian_Bergamo @ 7.656293 > 2 Portugese @ 8.318958 > 3 Italian_North @ 8.320575 > 4 Spanish_Baleares_IBS @ 8.743341 > 5 Italian_Piedmont @ 9.925784 > 6 French @ 10.227468 > 7 Spaniard @ 10.972955 > 8 Italian_Tuscan @ 11.645769 > 9 Spanish_Extremadura_IBS @ 12.092085 > 10 Spanish_Galicia_IBS @ 12.301117 > 11 Spanish_Cataluna_IBS @ 13.058258 > 12 Spanish_Castilla_y_Leon_IBS @ 13.548665 > 13 Spanish_Murcia_IBS @ 14.067057 > 14 German-Volga @ 15.286911 > 15 English_Cornwall_GBR @ 15.347507 > 16 Kosovar @ 15.496705 > 17 Spanish_Canarias_IBS @ 15.510090 > 18 Welsh @ 15.695156 > 19 Greek_Northwest @ 15.801681 > 20 English_Kent_GBR @ 15.866534 > > Using 2 populations approximation: > 1 50% Italian_North +50% Portugese @ 2.205776 > > > Using 3 populations approximation: > 1 50% Italian_Tuscan +25% Norwegian_West +25% Spanish_Canarias_IBS @ > 1.412024 > > > Using 4 populations approximation: > 1 English + Portugese + Sicilian_Center + Spanish_Galicia_IBS @ 1.106954 > 2 North_European + Portugese + Sicilian_Center + Spanish_Galicia_IBS @ > 1.153037 > 3 Norwegian_West + Portugese + Sicilian_Center + Spanish_Murcia_IBS @ > 1.207664 > 4 Dutch + Sicilian_Center + Spanish_Extremadura_IBS + Spanish_Galicia_IBS > @ 1.228640 > 5 Dutch + Sicilian_Center + Spanish_Galicia_IBS + Spanish_Galicia_IBS @ > 1.230143 > 6 Belgian + Portugese + Sicilian_Siracusa + Spanish_Galicia_IBS @ 1.234838 > 7 CEU + Portugese + Sicilian_Center + Spanish_Galicia_IBS @ 1.244260 > 8 Dutch + Sicilian_Center + Spanish_Castilla_y_Leon_IBS + > Spanish_Galicia_IBS @ 1.253083 > 9 English_Kent_GBR + Portugese + Romanian_Jew + Spanish_Galicia_IBS @ > 1.260309 > 10 Icelandic + Portugese + Sicilian_Center + Spanish_Murcia_IBS @ 1.265543 > 11 CEU + Italian_South + Portugese + Spanish_Galicia_IBS @ 1.282766 > 12 Portugese + Scottish_Argyll_Bute_GBR + Sicilian_Center + Spaniard @ > 1.295623 > 13 North_European + Portugese + Sicilian_Center + Spanish_Extremadura_IBS > @ 1.297352 > 14 Maltese + Spanish_Baleares_IBS + Spanish_Murcia_IBS + Swede @ 1.298580 > 15 Italian_Bergamo + Maltese + Norwegian_West + > Spanish_Castilla_y_Leon_IBS @ 1.312777 > 16 Italian_Abruzzo + Italian_Bergamo + Norwegian_West + > Spanish_Canarias_IBS @ 1.312872 > 17 Ashkenazi + German-Volga + Spanish_Galicia_IBS + Spanish_Galicia_IBS @ > 1.315782 > 18 CEU + Portugese + Romanian_Jew + Spanish_Galicia_IBS @ 1.318721 > 19 Dane + Maltese + Spanish_Baleares_IBS + Spanish_Castilla_y_Leon_IBS @ > 1.324342 > 20 English_Cornwall_GBR + Greek_Peloponnesos + Spanish_Baleares_IBS + > Spanish_Canarias_IBS @ 1.328435 > > Done. > > El > > > > > -- For options, such as changing to List, Digest, Abridged, or No Mail (vacation) mode, log into your Google account and visit this group at http://groups.google.com/group/Azores. 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