Phylogenetic relationships of tropical salamanders, supergenus Bolitoglossa are hypothesized based on analyses of mitochondrial gene sequences. Using a hierarchichal approach, relationships among representatives of all supraspecific taxa within the tribe Bolitoglossini, includin…
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The current dissertation looks at the molecular evolution of protein-coding genes in the flowering plant Arabidopsis thaliana and within two RNA viruses, human-immunodeficiency virus (HIV) and Astroviridae . We analyzed members of the receptor-like kinase (RLK) gene family in Ar…
Most flagship species or commonly recognized plants and animals proliferate via sexual reproduction, however, there are a curious number of plants and animals that are asexual. Both modes of reproduction have advantages and disadvantages. Sex, and in particular biparental inheri…
Modern genomic sequencing technologies provide the opportunity to address long-standing questions in molecular evolution with empirical data. In this dissertation, I combine this new technology with advances in statistical population genetics to describe how deleterious mutation…
Modern genomic sequencing technologies provide the opportunity to address longstanding questions in molecular evolution with empirical data. In this dissertation, I combine this new technology with advances in statistical population genetics to describe how deleterious mutations…