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mysttrr mysttrr
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6 years ago
In which model of allopatric speciation is genetic drift a larger factor and why?
 
  What will be an ideal response?
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6 years ago
ANS:
Under the dumbbell model, one population is split into two populations of relatively equal size. Under the peripheral isolate model, one small population is split off from a larger population. Because genetic drift has a greater effect in small populations than in large populations, genetic drift will play a larger role in peripheral isolate model.
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