The founder effect is an extreme example of "genetic drift." Genes occurring at a certain frequency in the larger population will occur at a different frequency -- more or less often -- in a ...
Genetic drift is common after a population experiences ... rarely has the same genetic makeup over its entire range. For example, individuals in a population living at one end of the range may ...
According to this hypothesis, most of the changes in DNA inside individuals are the result of "genetic drift" -- random changes that go on all the time and aren't steered by natural selection in ...