Article
Chromosomal and allelic variation in Drosophila americana: selective maintenance of a chromosomal cline.
Genome - 1 Feb 2002
McAllister Bryant F
Abstract excerpt
Geographically structured genetic variation, as represented by clines and hybrid zones, offers unique opportunities to study adaptation and speciation in natural populations. A hybrid zone has been reported between Drosophila americana americana and Drosophila americana texana, two taxa that are distinguished solely by the arrangement of their X and 4th chromosomes. In this study, samples of D. americana were...
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