They iranian or caucasian line doesn't denied the origin of Jews. Abraham was from Mesopotamia, where They possibility of genetic influence of caucasian or pre-caucasian is certainly. They inffluence of Khazarian genes is very small from history point of view, but in any case, if it existed may reinfforce They expression of ancient genes.... I think so....
Jordan foreign minister says to speak with Kerry on Israel-Palestinian conflict (Reuters)
from the article: The Jewish people's ultimate treasure hunt