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Biology 20 Online
OpenStudy (anonymous):

PLEASE HELP Which of the following would NOT characterize allopatric selection? a- physical barrier within population. b- extensive gene flow. c- chromosomal changes within population.

OpenStudy (blues):

Allopatric means happening in separate, non overlapping spatial or geographic regions. So "chromosomal changes within the population" is the only answer which makes sense. In my book, anyway.

OpenStudy (anonymous):

good call "Blues"

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