Speciation Has Become Complete When

question 31

Multiple Choice

Speciation has become complete when

• A) two populations of organisms have been separated for a very long time.
• B) a change in allele frequency has occurred.
• C) organisms of one population do not recognize the mating call of another population and so mating does not occur.
• D) offspring of mating from members of two different populations are able to mate with members of either population.

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