We dont't get the R1a from the Jews but the Jews got it from us ;)
Funny, Łódzkie also has highest rate of R1b
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In total population it was a bad deal.
Some up to 2mln polish speaking people from Ruś for some 10mln german speaking postSlavs et consortes.
Better deal would be, if germanic speakers would remain, maybe in majority resettled to central Poland and assimilate.
Today we have 38 mln insted of almost 50mln, and among that 150.000 wannabe folxdojcz-prozelites who are zeaolus 5th column.
You can see the link to the study just below the image.
Quote:
Adult participants were recruited between 2010 and 2012 under the TESTOPLEK project based on general Polish population—POPULOUS collection of 10,000 saliva samples, derived from female and male attendees, completed with individual in-depth interview based on questionnaires. These recorded their place of residence, together with various other questions about the origin or ancestry of parents and grandparents. Saliva samples were collected up to 2016 and collectively have been included to POPULOUS collection at the Biobank Lab of the Department of Molecular Biophysics of the University of Lodz
They used ISOGG Y-DNA Haplogroup Tree from 2016? Why... and in supplemental data have such a small number of SNPs for the technology they used.