189 Johns Hopkins genetic study shows 97.5% of Judaics living in Israel have absolutely no ancient Hebrew DNA, are therefore not Semites, and have no ancient blood ties to the land of Palestine at all. Whereas 80% of Palestinians carry ancient Hebrew DNA and thus are real Semites. (veteranstoday.com) posted 310 days ago by Ehjax78 310 days ago by Ehjax78 +190 / -1 46 comments share 46 comments share save hide report block hide replies
Looks like the cited paper is not new, it is from 2013. Since that article only presents one side I went ahead and found one of those refutations you mentioned.
No Evidence from Genome-Wide Data of a Khazar Origin for the Ashkenazi Jews