Southern Italians have no ancient Greek ancestry

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Originally Posted by Deusex99

Terrible models. You are literally forcing the software to use Ashkelon as the Southern component. There are plenty of Anatolian populations who gave better fits. See here.

https://www.theapricity.com/forum/sh...=1#post6927163

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Those Anatolians are a mix of EFF,CHG and steppe and they are low quality, do you understand that there is a lot of overlap between these samples? That Anatolian could be anything since those Anatolians are made of very generic and common mix.

edit:
Target: TUR_Kaman-Kalehoyuk_MLBA
Distance: 2.3573% / 0.02357343
50.4 TUR_Barcin_N
26.2 Levant_Ashkelon_IA2
15.4 GEO_CHG
8.0 IRN_Ganj_Dareh_N

They are half EEF, Italians are like half EEF themselves, go figure here, there is a lot of overlap, and a very close reference will create overfitting

Quote:

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Originally Posted by grabielx

T,,,,,

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https://i.imgur.com/b5cyFMR.png

Quote:

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Originally Posted by grabielx

Those Anatolians are a mix of EFF,CHG and steppe and they are low quality, do you understand that there is a lot of overlap between these samples? That Anatolian could be anything since those Anatolians are made of very generic and common mix.

edit:
Target: TUR_Kaman-Kalehoyuk_MLBA
Distance: 2.3573% / 0.02357343
50.4 TUR_Barcin_N
26.2 Levant_Ashkelon_IA2
15.4 GEO_CHG
8.0 IRN_Ganj_Dareh_N

They are half EEF, Italians are like half EEF themselves, go figure here, there is a lot of overlap, and a very close reference will create overfitting

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Stay calm. It's not my fault if that software picks certain Anatolian populations over Ashkelon. It also makes sense historically since the bulk of Greek speaking population was in Anatolia, Cyprus, Southern Balkans (also a quite East Med population before the Slavic migration)... While only an hand full of Israelites/Canaanites became Greek speaking. Magna Graecians would have been nearly identical to Imperial Romans.

In my opinion there is no question that South Italians are more than 25% Greek
now let's look at this model and the dist%

Target: Italian_Apulia
Distance: 2.6033% / 0.02603258
51.6 French_Provence
48.4 Lebanese_Muslim

2.6% dist is relatively high, now if you had a Greek source:

Target: Italian_Apulia
Distance: 0.8881% / 0.00888105
35.8 French_Provence
34.8 Iberia_Northeast_Empuries2
29.4 Lebanese_Muslim

0.8% is almost as good as you are going to get, there is no question IMO that S Italians have Greek ancestry, it's going to obvious as soon as we get the right papers

a more historically sound model

Target: Italian_Apulia
Distance: 1.0132% / 0.01013174
41.0 Iberia_Northeast_Empuries2
22.4 ITA_Etruscan
20.6 Levant_Ashkelon_IA2
12.0 Yamnaya_RUS_Samara
3.4 ITA_Sicily_MBA
0.6 GRC_Mycenaean

Tried various models. S.Italians are more or less a third East Med like (Samaritan like) and the rest is a mix of various Euro ancestries. Other Italians have less of that, while French speakers from Aosta lack it completely.

https://i.ibb.co/m68VZKV/Screenshot-20201011-204207.jpg

Quote:

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Originally Posted by Deusex99

Italian Campania is not representative. The study who published those samples states in the supplementary information that it has not checked the ancestry and the birthplace of those samples. We have Campanians on GEDMatch and they are identical to Apulians.

I've seen hundreds of GEDmatch samples and Apulians are perfectly average.

https://i.ibb.co/DLW6BK6/Screenshot-20200711-012413.jpg

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We Apulians are quite heterogeneous, I plot with central Italy and the Balkans on average and are almost equidistant between southern Italy and northern Italy
Attachment 112861
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Interesting if true, but I am not compelled.