The Figure Shows the Relationships Between Oldfield Mice Populations

question 18

Multiple Choice

The figure shows the relationships between oldfield mice populations. Light-colored beach populations are shown with a triangle; dark-colored inland populations are shown with circles. Which of the following statements is consistent with this phylogeny?

• A) Light coat color arose multiple times independently in different beach populations.
• B) The light-coat allele arose prior to colonization of beach populations.
• C) Natural selection favors light coat color when the Mc1R allele is mutated.
• D) Dark-colored populations are derived from migrants from the beach populations.

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