Before revision: Evidence Theoretical work by Luca Cavalli-Sforza showed that , if admixture between expanding farmers and previously resident groups of hunters and gatherers is not immediate, the process would result in the establishment of broad genetic gradients.
After revision: Evidence Theoretical work by Luca Cavalli-Sforza showed that if admixture between expanding farmers and previously resident groups of hunters and gatherers is not immediate, the process would result in the establishment of broad genetic gradients.