Isolation can induce allopatric speciation usually through genetic drift, and different environments induce different evolutionary pressures.
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It is thought that they first originated through allopatric speciation caused by breakup of the supercontinent Gondwana.
13.
The separate populations over time may Galapagos finches, is a consequence of allopatric speciation among island populations.
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Mayr emphasized the importance of allopatric speciation, where geographically isolated sub-populations diverge so far that reproductive isolation occurs.
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This differs from allopatric speciation in that the isolated populations are numerically much smaller than the parental population.
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Reciprocal silencing on the population level has been proposed as a means of allopatric speciation following a polyploid event.
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The ranges of the four species do not overlap, so this genus is an example of probable allopatric speciation.
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The problem does not occur in allopatric speciation with geographically separated populations, which can diverge with different sets of mutations.
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Allopatric speciation is the evolution of species caused by the geographic isolation of two or more populations of a species.
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You may be interested in allopatric speciation and sympatric speciation, which cover two of the more common routes to speciation.
