Browsing by Author "Rosenthal, Gil G"
Now showing items 1-19 of 19
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Johnson, James Bradley (2013-04-08)The origin and maintenance of phenotypic variation has generated considerable interest among students of functional morphology, sexual selection and behavioral ecology. In particular, hybridization has been suggested as a ...
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Powell, Daniel Lee (2019-07-17)Hybridization is a common phenomenon with important evolutionary consequences. It may result in the loss of genetic differentiation between groups, or serve to reinforce reproductive barriers between species. Hybridization ...
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Hutchinson, Mark Ryan (2016-07-21)A large majority of migratory bird research has focused on activities on the breeding grounds, but migratory birds spend most of the year engaged in non-breeding activities. To complete some of the knowledge of each bird’s ...
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Delclos, Pablo Jose (2017-07-03)Mate-choice related behaviors are highly variable and sensitive to a wide array of environmental and social factors. Therefore, the stability of a given behavior can largely depend on the level of environmental variability ...
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Achorn, Angela Marie (2022-03-29)Humans form social groups that are larger, more complex, and more cooperative than those of any other vertebrate taxa, which begs the question of how this level of social organization emerged. Food sharing is often considered ...
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Female Preference for Male Sword Edge Pigmentation in Hybrid Xiphophorus birchmanni-type Swordtails Matheny, Mason Lee (2015-10-02)Female preference for male traits can drive the asymmetric introgression of male secondary sexual characteristics. In the Rio Calnali, Xiphophorus birchmanni and Xiphophorus malinche have hybridized to create two distinct ...
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Schumer, Molly; Cui, Rongfeng; Powell, Daniel L; Dresner, Rebecca; Rosenthal, Gil G; Andolfatto, Peter; McVean, Gil (ELife, 2014)
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Macedo, Danielle Carter de (2013-02-04)Hybridization can produce novel phenotypic variation which may allow hybrid populations to evolve in novel directions relative to parentals. Hybridization can produce intermediate as well as extreme phenotypes with respect ...
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Squire, Mattie Katherine (2015-07-31)Hybridization represents a collision of genomes that can introduce new genetic and phenotypic variation into a population. Depending on the environment, this may lead to increased individual fitness and allow for integration ...
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Spahn, Alexandra 1990- (2012-04-23)Mate choice behavior underlies many significant phenomena in biology including sexual conflict, selection, hybridization and speciation. Members of the genus Xiphophorus provide an excellent model for studying these processes ...
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Bovio, Richard Stephen (2022-07-07)Hybridization is a common phenomenon that serves as an important evolutionary mechanism by which diversity can arise. When two genetically divergent species hybridize, the resulting admixture generates novel genotypic and ...
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Passow, Courtney (2011-04-27)Male and female mating behaviors have been extensively studied in Xiphophorus birchmanni; however the genetic mating system has not been characterized in this species. X. birchmanni is a live-bearing fish, so females can ...
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Ramsey, Michelle (2014-04-17)Vertebrate vision is enabled by light-sensitive photoreceptors arranged in a plane in the retina. This study investigates two aspects of this arrangement: 1) positioning of basal bodies within photoreceptors, and 2) ...
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Jofre Rodriguez, Gaston Ignacio (2020-03-16)A common goal in studies of natural hybridization is to understand how adaptation and speciation create genome-wide variation over spatial gradients. The speciation process generates genomic signatures that can be detected ...
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Holland, Christopher (2018-08-26)Pheromones play an important role in conspecific mate preference across taxa. While the mechanisms underlying the pheromonal basis of reproductive isolation are well characterized in insects, we know far less about the ...
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Ratterman, Nicholas 1981- (2012-11-15)The evolution of mate choice remains one of the most controversial topics within evolutionary biology. In particular, the coevolutionary dynamics between ornaments and mating preferences has been extensively studied, but ...
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Saenz, David Ernesto (2020-07-27)In recent decades, neuroscience research has become largely dependent on a few “model organisms” (e.g. Drosophila melanogaster, Mus musculus). A holistic understanding of nervous systems requires study of a diversity of ...
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Montana, Carmen 1976- (2012-08-16)In this study, I used two independent perciform lineages (Neotropical Cichlidae and Nearctic Centrarchidae) to examine patterns of species richness and species coexistence a two spatial scales (e.g., macrohabitat and ...
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Simpson, Suzanne (2011-04-26)We investigated the mechanisms behind reproductive allocation in sheepshead swordtail fish (Xiphophorus birchmanni). Classic life history theory predicts a trade-off between offspring size and number such that females with ...