When this happens, the mating patterns of that population ... Distribution is one way that genetic variation can be preserved in large populations over wide physical ranges, as different forces ...

Density and dispersion ... of interactions among individuals in the population. Humans are not always very good at distinguishing among the different patterns of dispersion, so statistical methods ...

In a nutshell All modern humans share DNA from two ancient populations that split 1.5 million years ago and reunited through ...