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SUMMARY:What can butterfly hybrid zones tell us about the genomic architec
 ture of species barriers? - Dr Konrad Lohse from Institute of Ecology and 
 Evolution\, University of Edinburgh
DTSTART:20241010T130000Z
DTEND:20241010T140000Z
UID:TALK218968@talks.cam.ac.uk
CONTACT:Caroline Newnham
DESCRIPTION:Hybrid zones are natural experiments that contain a wealth of 
 information about the genetic basis of species differences and barriers to
  gene flow. However\, while speciation is a slow process\, most hybrid zon
 es are evolutionarily extremely recent. It is therefore unclear to what ex
 tent the mosaic ancestry of hybrid zone individuals is shaped by early and
  persistent barriers. I will describe genomic work on two butterfly hybrid
  zones. Comparing barriers inferred across different time scales and metho
 ds confirms that regions of low recent hybridisation are concentrated in a
 reas of low recombination and the Z chromosome as predicted by theory. Mor
 eover\, we find a substantial overlap between short-term and long-term bar
 riers to gene flow.
LOCATION:Part II room\, Department of Genetics and Zoom
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