Does Rh- Blood come from the Neanderthals? Rhesusnegative.net 8 months ago The Etruscans had exceptionally high Neanderthal admixture So did and do the Berbers Basques have 5-7% Neanderthal DNA …and the Basques Neanderthals were “Rhesus plus incomplete” Did the Neanderthals turn into the Basques? Do Rh negatives have higher percentages of Neanderthal DNA? Who was Rh negative before the Basques? “Why is there no Neanderthal y-DNA in modern humans?”