“I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as a separate genus - occurred at a peripheral location, indeed usually at the most isolated peripheral location.”
Ernst Mayr
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Ernst Mayr
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The major novelty of my theory was its claim that the most rapid evolutionary change does not occur in widespread, populous species, as claimed by Most geneticists, but in small founder populations.
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All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
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