>>19353325>"Each of the sub regions analysed (NW Africa and SW Europe) shows sequences that originated on the opposite shore of the Mediterranean. This is particularly clear in the case of U6 and L in SW Europe. L sequences are found at frequencies 3% in Iberia and 2.4% in Italy. Three Italian L sequences have been described throughout Africa, and the remaining five are not found in >1,000 sub -Saharan individuals. Thus, the presence of L sequences cannot be attributed to migration from NW Africa, and may instead represent gene flow from other sources, such as the Neolithic expansion or the Roman slave trade.”>https://onlinelibrary.wiley.com/doi/epdf/10.1046/j.1469-1809.2003.00039.xCould be outdated but that's the source in the book, March of the Titans.
