Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321833143
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 1.3, Problem 4CC
WHAT IF? Ø In the deserts of New Mexico, the soils are mostly sandy, with occasional regions of black rock derived from lava flows that occurred about 1,000 years ago. Mice are found in both sandy and rocky areas, and owls are known predators. What might you expect about coat color in these two mouse populations? Explain. How would you use this ecosystem to further test the Camouflage hypothesis?
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WHAT IF? In the deserts of New Mexico, the soils aremostly sandy, with occasional regions of black rockderived from lava flows that occurred about 1,000 yearsago. Mice are found in both sandy and rocky areas, andowls are known predators. What might you expect aboutcoat color in these two mouse populations? Explain. Howwould you use this ecosystem to further test the camouflage hypothesis?
Introduction
The Rock Pocket Mouse
The rock pocket mouse, Chaetodipus intermedius, is a small, nocturnal animal found in the deserts of thesouthwestern United States. Most rock pocket mice have a sandy, light-colored coat that enables them to blendin with the light color of the desert rocks and sand on which they live. However, populations of primarily dark-colored rock pocket mice have been found living in areas where the ground is covered in a dark rock calledbasalt caused by geologic lava flows thousands of years ago. Scientists have collected data from a population ofprimarily dark-colored mice living in an area of basalt called the Pinacate lava flow in Arizona, as well as from anearby light-colored population. Researchers analyzed the data from these two populations in search of thegenetic mutation responsible for the dark coat color. Their analyses led to the discovery of a mutation in theMc1r gene that is involved in coat-color determination.
The MC1R Gene
Two pigments…
Do explain.
Chapter 1 Solutions
Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology (10th Edition)
Ch. 1.1 - Starting with the molecular level in Figure 1.3,...Ch. 1.1 - Identify the theme or themes exemplified by (a)...Ch. 1.1 - WHAT IF? For each theme discussed in this...Ch. 1.2 - Prob. 1CCCh. 1.2 - Explain why "editing" is a metaphor for how...Ch. 1.2 - DRAW IT The three domains you learned about in...Ch. 1.3 - Contrast inductive reasoning with deductive...Ch. 1.3 - Prob. 2CCCh. 1.3 - Why is natural selection called a theory?Ch. 1.3 - WHAT IF? In the deserts of New Mexico, the soils...
Ch. 1.4 - How does science differ from technology?Ch. 1.4 - MAKE CONNECTIONS The gene that causes sickle-cell...Ch. 1 - Prob. 1.1CRCh. 1 - Prob. 1.2CRCh. 1 - What are the roles of gathering and interpreting...Ch. 1 - Explain why different approaches and diverse...Ch. 1 - Prob. 1TYUCh. 1 - Prob. 2TYUCh. 1 - Prob. 3TYUCh. 1 - Prob. 4TYUCh. 1 - Prob. 5TYUCh. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 7TYUCh. 1 - Which of the following statements best...Ch. 1 - Which of the following is an example of...Ch. 1 - Which sentence best describes the logic of...Ch. 1 - DRAW IT With rough sketches, draw a biological...Ch. 1 - EVOLUTION CONNECTION A typical prokaryotic cell...Ch. 1 - SCIENTIFIC INQUIRY Based an the results of the...Ch. 1 - WRITE ABOUT A THEME: EVOLUTION In a Short essay...Ch. 1 - SYNTHESIZE YOUR KNOWLEDGE Can you pick out the...
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