Figure A shows the color of deer mice (Peromyscus maniculatus) in the Nebraska Sand Hills (white area) and the rest of the State (grey area). Mice are shown on the habitat they are not normally found on. The color of the Sand Hills is shown below the light-colored mouse (normal habitat), while the color of the ground in the rest of the State is shown below the dark-colored mouse. Figure B shows the phenotypic difference in the hair shaft of the wild-type and the light-colored (wideband) mice. Figure C shows the expression levels (mRNA) of the Agouti alleles responsible for the phenotype seen in figure B. a+= wild-type Agouti allele, a-= a deletion of the Agouti allele, awb = wideband Agouti allele mutation, and the black rectangles underneath each bar is the relative difference in the hair shaft band phenotype. Wider band means lighter hair color in the deer mice. b. The Sand Hills were created by volcanic activity 15,000-8,000 years ago. How were the deer mice coat color affected by the change in the environment?
Figure A shows the color of deer mice (Peromyscus maniculatus) in the Nebraska Sand Hills (white area) and the rest of the State (grey area). Mice are shown on the habitat they are not normally found on. The color of the Sand Hills is shown below the light-colored mouse (normal habitat), while the color of the ground in the rest of the State is shown below the dark-colored mouse. Figure B shows the phenotypic difference in the hair shaft of the wild-type and the light-colored (wideband) mice. Figure C shows the expression levels (mRNA) of the Agouti alleles responsible for the
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