Sentences with phrase «multiple migration model»
In challenging the multiple migration model, the new genome data, published online today in Science, suggest that Europeans today are the descendants of a very old, interconnected population of hunter - gatherers that had already spread throughout Europe and much of central and western Asia by 36,000 years ago.
http://www.sciencemag.org/ Not exact matches
Using a mouse model, the team also demonstrated that two processes during neurodevelopment are regulated by the gene: proliferation — the replication of neuronal stem cells that have the potential to become multiple different kinds of cells, including neurons — and migration — the movement of neurons to specific locations in the brain during development.
Theoretical models predict that migration occurs either early in the lives of giant planets while still embedded within the protoplanetary disk, or else much later, once multiple planets are formed and interact, flinging some of them into the immediate vicinity of their star.