Which of the following situations would be MOST likely to produce a new species?
A. A new group of polyploid individuals arises by an abnormal mitosis and can only reproduce with each other.
B. Several individuals join an existing population and introduce new alleles to the population.
C. Several individuals colonize a new area but continue to migrate back to the original colony to reproduce with the ancestral population.
D. An existing species becomes subdivided by the effects of a glacier and the resulting groups remain physically isolated from each other for thousands of years; when united they are still able to reproduce between groups.
E. A volcano erupts and kills all of the frogs on an island. New frogs colonize the island and begin reproducing rapidly because there are no predators.
A. A new group of polyploid individuals arises by an abnormal mitosis and can only reproduce with each other.
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