qnli question: All studies agree that genetic overlap with what location exists in both lineages? sentence: Various studies have arrived at diverging conclusions regarding both the degree and the sources of the non-Levantine admixture in Ashkenazim, particularly in respect to the extent of the non-Levantine genetic origin observed in Ashkenazi maternal lineages, which is in contrast to the predominant Levantine genetic origin observed in Ashkenazi paternal lineages.