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| R. Geeta | ||||||
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Research Interests I study the systematic patterns of morphological variation as a way to understand the interplay between development and evolution that leads to phenotypic evolution in plants. I use a two-pronged approach to do this (1) phylogenetic analyses to assess evolutionary relationships among taxonomic groups, and (2) analysis of characters, within such a phylogenetic framework, to uncover systematic patterns of variation ("identifying the phylogenetic statement," to paraphrase Alec Panchen). The taxonomic scope of my work includes the monocotyledons and sister taxa; phylogenetic studies use molecular and morphological data. I have studied developmental and evolutionary patterns of variation in characters at different levels of organization: morphological (leaf development), cellular (reproductive development), genomic (nuclear DNA amount), and molecular (knox, a homeobox multigene family). Current research includes evolutionary studies of Dioscorea, the true yams, and compound leaf and reproductive development in angiosperms.
Hosted by University of Colorado, Department of Ecology and Evolutionary Biology |
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