pocket mice has resulted in a natural selection for darker coloured pocket mice. The dark coloring of the Kenzin, Armendaris and Carrizozo dark mouse populations is not caused by mutations in the Mc ir gene, but a change in a different gene that controls coat color The Pinicate dark mouse population has four mutations in the Mclr gene, all of which change the amino acids at those positions compared to the same amino acid positions in the Pinicate light mouse The Kenzin, Amendaris and Carnizozo dark mouse populations have the same amino acids in the indicated positions as does the Pinicate light mouse population The mutations in MCR are all located next to each other in the amino acid sequence of the protein. Use this interactive resource titled The Making of the Fittest: Natural. 1.34 QUESTION 12 Refer to the amino acid chart that you completed for step 3 of the worksheet "Natural Selection and Evolution of Rock Pocket Mouse Populations to answer this question Which of the following statements is FALSE? The Pinicate light mouse population is the wild-type" phenotype.
The mice are light-colored There is a decrease in the production of dark-colored pigment eumelanin The protein MC1R is present in the melanocytes. Transcribed image text: QUESTION 11 Refer to the worksheet "Natural Selection and Evolution of Rock Pocket Mouse Populations to answer this question The gene involved in melanism in some rock pocket mice is called the melanocortin receptor 1 gene or McIr In these mice, when the normal Mc Irgene is present in melanocytes (melanin producing skin cells), all of the following are true EXCEPT There is an increase in the production of light-colored pigment phuomelanin The mice are dark colored.
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