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EEB Thursday Seminar: Unraveling the tangled web: the evolutionary impact of hybridization

Molly Schumer, Assistant Professor of Biology, Stanford University
Thursday, October 31, 2019
4:00-5:00 PM
1060 Biological Sciences Building Map
How distinct species persist in the face of gene flow is a long-standing and central question in evolutionary biology, reinvigorated by the recent realization that hybridization is surprisingly common. Though it is now appreciated that gene flow often occurs before, during, and after speciation, little about the evolutionary impact of hybridization is understood, from the ecological and behavioral forces driving hybridization to the ways in which selection acts on hybrid genomes. Our research addresses these questions using replicate, recently formed hybrid populations of swordtail fish. I will discuss work mapping the locations of hybrid incompatibilities and investigating the role of selection on these regions in hybrid genome evolution. I will also discuss our work investigating how selection on incompatibilities interacts with other genetic processes such as recombination. Together, this work highlights a set of mechanisms that shape hybridization on a population and genetic level.

View YouTube video of seminar:
Building: Biological Sciences Building
Event Type: Workshop / Seminar
Tags: Biology, Biosciences, Bsbsigns, Earth Day At 50, Ecology And Evolutionary Biology, science
Source: Happening @ Michigan from Ecology and Evolutionary Biology, Program in Biology, EEB Thursday Seminars, Museum of Zoology, Research Museums Center