Chapter

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

Hopi E. Hoekstra and Michael W. Nachman

in Mammalian Diversification

Published by University of California Press

Published in print January 2006 | ISBN: 9780520098534
Published online March 2012 | e-ISBN: 9780520916098 | DOI: http://dx.doi.org/10.1525/california/9780520098534.003.0003
Coat Color Variation in Rock Pocket Mice (Chaetodipus intermedins): from Genotype to Phenotype

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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

Chapter.  6867 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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