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Mammalian DiversificationFrom Chromosomes to Phylogeography$
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Eileen Lacey

Print publication date: 2006

Print ISBN-13: 9780520098534

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520098534.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 20 May 2022

Coat Color Variation in Rock Pocket Mice (Chaetodipus intermedins): from Genotype to Phenotype

Coat Color Variation in Rock Pocket Mice (Chaetodipus intermedins): from Genotype to Phenotype

Chapter:
(p.79) Coat Color Variation in Rock Pocket Mice (Chaetodipus intermedins): from Genotype to Phenotype
Source:
Mammalian Diversification
Author(s):

Hopi E. Hoekstra

Michael W. Nachman

Publisher:
University of California Press
DOI:10.1525/california/9780520098534.003.0003

This chapter examines the evolution of pelage color variation among the pocket mice, Chaetodipus intermedius, found in the deserts of Arizona and New Mexico, using art genetic technology. It identifies the single gene called melanocortin-1-receptor in one population that appears to be largely responsible for color differences, and discusses the balance between selection and migration among neighboring melanic and light races. The chapter suggests that melanism has evolved independently on different lava flows through changes at different genes.

Keywords:   pelage color variation, pocket mice, Chaetodipus intermedius, Arizona, New Mexico, art genetic technology, melanocortin-1-receptor, melanism

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