Original sentence: Although many genetic studies on Ashkenazim—researching both their paternal and maternal lineages—point to at least some ancient Levantine origins, the studies have arrived at diverging conclusions regarding both the degree and the sources of their Levantine admixture.Scholars have debated whether and to what extent Ashkenazi Jews descend from the Levant
Edited sentence: Although many genetic studies on Ashkenazim — researching both their paternal and maternal lineages — point to at least some ancient Levantine origins, the studies have arrived at diverging conclusions regarding both the degree and the sources of their Levantine admixture.For hundreds of years, scholars have debated whether and to what extent Ashkenazi Jews descend from the Levant