How is it that Greeks cluster closer to Tuscan Italians than to South Italians & Sicilians on pca?

[Dimitri159]

https://www.google.com/search?q=auto...g2bcJhy0B9FFJM

[CordedWhelp]

Slavic-admix likely brings them north a little, while most pure/unadmixed southern Italians probably don't have any real Balto-Slavic descent..

[Dimitri159]

Slavic-admix likely brings them north a little, while most pure/unadmixed southern Italians probably don't have any real Balto-Slavic descent..

I wasn’t aware that Slavic admixture was that strong in Greece, besides maybe the northern borders or Greece.

[CordedWhelp]

I wasn’t aware that Slavic admixture was that strong in Greece, besides maybe the northern borders or Greece.

Enough of it to bring them north compared with ancient Greeks. I don't recall how much Slavic admix modern Greeks are estimated to have, not tiny, but obviously not a huge percentage. They still plot south of Croats and other modern south-slavic speakers, so logically have less Slavic than they have (which is very intuitive and no shock)

Maybe someone else knows better than I..

[Dimitri159]

Enough of it to bring them north compared with ancient Greeks. I don't recall how much Slavic admix modern Greeks are estimated to have, not tiny, but obviously not a huge percentage. They still plot south of Croats and other modern south-slavic speakers, so logically have less Slavic than they have (which is very intuitive and no shock)

Maybe someone else knows better than I..

Yeah, I also believe that specific chart may not too specific enough for Greece as it is for Italy. All regions are just bunched up and labeled under “Hellenic”, whereas Italians are much more specific based on their regions (Tuscany, Lombardy/N. Italian, Sicilians, S. Italian, etc.). I’m sure the more south of Greece, the more south shifted they would be on the chart. Unfortunately this isn’t the case for Greece, as it must include Greeks from the northern borders as well.

[Avgvstvs]

Greek islands(including Crete) cluster close to south italians(including sicilians) due to higher unmixed neolithic component.


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[Ayetooey]

It depends on the region, plenty are closer to South Italians/Sicilians.

[Dimitri159]

Greek islands(including Crete) cluster close to south italians(including sicilians) due to higher unmixed neolithic component.


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The Pelepponese too. Only northern Greeks cluster closer to Balkans and Tuscans.

[Roy]

Enough of it to bring them north compared with ancient Greeks. I don't recall how much Slavic admix modern Greeks are estimated to have, not tiny, but obviously not a huge percentage. They still plot south of Croats and other modern south-slavic speakers, so logically have less Slavic than they have (which is very intuitive and no shock)

Maybe someone else knows better than I..

What about Arabic and Phoenician ancestry present in Southern Italy & Sicily?

[Avgvstvs]

What about Arabic and Phoenician ancestry present in Southern Italy & Sicily?

Arabic is noise, some Phoenician there is and it's mostly in Sicily.

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