I don't know exactly the history of discussion about migration of I2a-Din here on forum, so I am sorry if I say something old.
The new Mathieson's paper does not bring more light to history of this subclade. Or maybe yes, because the only sample with L147.2 mutation is not from Balkans, but it...
Here is an average of 28 Czechs, both Bohemians and Moravians.
I decided to test some Czech samples on Gedmatch, because they are often missing in most of spreadsheets of admixture calculators. I have tested 15 Czech samples that I had found through one-to-many tool. My purpose was to learn something new about genetic history of my own country, not only to...