Fitness traits associated with the red back phenotype in the migratory grasshopper,Melanoplus sanguinipes |
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Authors: | F. R. H. Hodson W. Chapco |
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Affiliation: | (1) Department of Biology, University of Regina, S4SO A2 Regina, Saskatchewan, Canada |
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Abstract: | Summary The dominantly inherited variant, red back, in the migratory grasshopper,Melanoplus sanguinipes, is rare in nature. The present study illustrates that is this probably due, in part, to the trait's association (either through pleiotropy of the red back gene,Pro and/or closely linked fitness loci) with lower egg hatchability, greater developmental time, greater mortality during later stages, and a greater tendency to have an extra instar.A part of an M.Sc. thesis of F. R. H. Hodson, University of Regina (1985).Financial assistance from the Natural Sciences and Engineering Research Council (A0485) is greatfully acknowledged. Address reprint requests to W.C. |
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Keywords: | Melanoplus sanguinipes grasshoppers genetics fitness hatchability polymorphism |
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