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NIMBioS Tuesday Seminar Series

In conjunction with the interdisciplinary activities of the National Institute for Mathematical and Biological Synthesis (NIMBioS), a seminar series will be hosted at NIMBioS every other Tuesday at 3:30 p.m. in the NIMBioS Lecture Hall on the 4th floor of 1534 White Ave., Suite 400 Seminar speakers will focus on their research initiatives at the interface of mathematics and many areas of the life sciences. Light refreshments will be served starting at 3 p.m.

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Time/Date/Location: 3:30 p.m., Jan. 12, NIMBioS Lecture Hall, 1534 White Ave., Suite 400
Speaker: Dr. Mark Kirkpatrick, T.S. Painter Centennial Professor, Section of Integrative Biology, Univ. of Texas, Austin. Dr. Kirkpatrick is a NIMBioS Postdoctoral Fellows Invited Distinguished Visitor.
Topic: Chromosome evolution under local adaptation and sexual conflict
Abstract: Genomes of many organisms are very labile and show rapid evolutionary changes in chromosome structure and function. Although these changes have been studied for nearly a century, we know little about the evolutionary forces involved. The talk will explore this topic from two perspectives. First, I show how sexual conflict can drive the origin of new sex chromosomes and cause changes between XY and ZW sex determination systems. Second, I discuss how local adaptation can drive the evolution of chromosomal rearrangements. This idea is explored with a population genetic model and with an analysis of data from populations of a malaria mosquito. The results suggest that polymorphic chromosome rearrangements may be involved in very strong selection and nonrandom mating and play important roles in speciation.

Seminar Flyer (pdf)

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