Basal Eurasian discussion

[kolompar]

The problem with these examples is that Z is below 3.. Many people will not accept this examples as statistically significant.  The requirement is to have Z> 3.

No, that's the point, there are several East Eurasian populations which don't have significantly more Neanderthal than Iran, so there's no need for a lower Neanderthal Basal, as long as you don't force high Neanderthal Europeans into them. And from those stats I would also guess that the Anatolian/Natufian parent population does actually have some European admixture.

I was skeptical of Basal Eurasian for a while, and decided I would be convinced of it's existence if a sample was found meeting the following criteria.
1) Equally related to East-Eurasians, Paleolithic Europeans, and Ust-Ishim
2) Less related to all of the above than they are to each other
3) More related to hypothesized Basal Eurasian carrying populations

ZlatyKun checks boxes 1 and 2, and gets partial credit on 3. She is not more related to ancient Near Easterners, but... ancient Near Easterners are equally related to her and Ust-Ishim, and that is despite the majority of their ancestry being derived from populations with significant preference for Ust-Ishim, meaning, the 'Basal' portion has to be more ZlatyKun related to counterbalance.

What's going on with IBM is probably a separate phenomenon than BE. However, there is the matter that ZlatyKun is more related to Ust-Ishim than Iran_N are, meaning Iran_N is more 'Basal'. There are 2 simple ways of resolving that. Either 1) ZK = BE + some undifferentiated 'crown Eurasian', or 2) Iran_N has ZK-like BE, plus something even more Basal (which could be IBM-related).

What kind of lame Basal Eurasian is that if it's not more related to populations with Basal Eurasian?
It is basal in a way, just not what we're looking for, more like the undifferentiated early Eurasian Ust'-Ishim was thought to be.
So rerunning the Basal f-stats with it:

Code:

pop1    pop2    pop3    pop4    est    se    z    p    n
Cameroon_SMA    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Morocco_Iberomaurusian    -0.011211485    0.000727954    -15.40135625    1.60E-53    495040
Cameroon_SMA    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Israel_Natufian_contam    -0.00307463    0.000854294    -3.599028348    0.000319408    254448
Cameroon_SMA    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Turkey_Epipaleolithic    -0.000292403    0.000792452    -0.368985631    0.712138435    417232
Cameroon_SMA    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Iran_GanjDareh_N    -0.001805539    0.000624155    -2.892772527    0.003818577    493867
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Kostenki14    Morocco_Iberomaurusian    -0.010603615    0.000751687    -14.10643125    3.47E-45    519216
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Kostenki14    Israel_Natufian_contam    -0.00248992    0.000899673    -2.767583596    0.005647356    262659
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Kostenki14    Turkey_Epipaleolithic    0.000303433    0.000800846    0.378890575    0.704769124    435022
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Kostenki14    Iran_GanjDareh_N    -0.001247553    0.000687364    -1.814981966    0.069526681    518137
Cameroon_SMA    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Morocco_Iberomaurusian    -0.011393172    0.000830525    -13.71802839    7.92E-43    256781
Cameroon_SMA    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Israel_Natufian_contam    -0.002366398    0.001081062    -2.188957071    0.02859996    133818
Cameroon_SMA    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Turkey_Epipaleolithic    0.000301645    0.000968891    0.311330156    0.755549645    215485
Cameroon_SMA    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Iran_GanjDareh_N    -0.001449651    0.000767333    -1.889207001    0.058864097    256042
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Morocco_Iberomaurusian    -0.011627461    0.000782028    -14.86835158    5.29E-50    521997
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Israel_Natufian_contam    -0.003146805    0.000936899    -3.358746331    0.000782969    263124
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Turkey_Epipaleolithic    -0.000272478    0.000874841    -0.311459822    0.755451083    436733
Cameroon_SMA    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Iran_GanjDareh_N    -0.002167952    0.00075457    -2.873095032    0.004064718    520831

Iberomaurusian and Natufian are obvious, Pinarbasi is ~0. Iran is very close to significant, as expected if it was just a slightly earlier split, with maybe a bit of Natufian admixture?
To keep some hopes alive, with closer, haplogroup E outgroups:

Code:

Ethiopia_4500BP    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Iran_GanjDareh_N    -0.002500162    0.000634907    -3.937837842    8.22E-05    594160
Ethiopia_4500BP    Czechia_Bohemia_UP_HG    Belgium_UP_GoyetQ116_1    Iran_GanjDareh_N    -0.002554129    0.000744764    -3.429445081    0.000604817    391027
Ethiopia_4500BP    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Iran_GanjDareh_N    -0.001986818    0.000725395    -2.738948336    0.006163606    293441
Ethiopia_4500BP    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Iran_GanjDareh_N    -0.001940386    0.000767471    -2.528286968    0.011462062    622948
Yoruba.DG    Czechia_Bohemia_UP_HG    Bulgaria_BachoKiro_LatePleistocene    Iran_GanjDareh_N    -0.001964273    0.000556041    -3.532604444    0.000411488    927135
Yoruba.DG    Czechia_Bohemia_UP_HG    Belgium_UP_GoyetQ116_1    Iran_GanjDareh_N    -0.002474731    0.000630034    -3.927932564    8.57E-05    520514
Yoruba.DG    Czechia_Bohemia_UP_HG    Laos_Hoabinhian.SG    Iran_GanjDareh_N    -0.001540393    0.000554349    -2.778744424    0.005456944    514578
Yoruba.DG    Czechia_Bohemia_UP_HG    Russia_Ust_Ishim.DG    Iran_GanjDareh_N    -0.001452546    0.000653141    -2.223941437    0.026152385    1024983

Some significant Z but looks more like just Zlaty Kun connection with Europeans.