The solution is a chain of short-range migrations. Think of it as diffusion. And it isn’t 6000 years ago; it only has to be 2000 years ago. Note that genealogy can make the trip much more easily than alleles can.
The solution is a chain of short-range migrations. Think of it as diffusion. And it isn’t 6000 years ago; it only has to be 2000 years ago. Note that genealogy can make the trip much more easily than alleles can.