Which of the following situations would be MOST likely to produce a new species?
A. Several individuals join an existing population and introduce several new, beneficial alleles.
B. A volcano erupts and kills all of the frogs on an island, along with many other species. New frogs colonize the island and begin reproducing rapidly because there are no longer any frog predators.
C. A group of polyploid individuals arises by an abnormal meioses. The polyploids can only produce viable offspring by mating with each other.
D. An existing species becomes subdivided by a glacier and the resulting groups remain physically isolated from each other for thousands of years. When the glacier melts, the two groups are able to interbreed.
E. Several individuals colonize a new area and establish a population. Migration between the two populations is common.
Answer: C
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