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DTSTAMP:20260406T173348Z
UID:618bca11d2a08852986582@ist.ac.at
DTSTART:20211112T140000
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DESCRIPTION:Speaker: Nick Barton\nAbstract: The best-understood examples of
  adaptation involve one or a few alleles with major effects on phenotype -
  for example\, butterfly wing patterns\, or insecticide resistance.  Yet\,
  most traits have a complex genetic basis\, and respond to selection throu
 gh variation at very many loci.  At least in the short term\, in sexual po
 pulations\, quantitative genetic variation is accurately described by the 
 infinitesimal model\, under which the breeding value of offspring follows 
 a normal distribution\, with a variance that is independent of the parents
  values. This implies that individual alleles have effects small enough th
 at random drift dominates selection\, so that the genome evolves almost ne
 utrally.  In this infinitesimal regime\, adaptation is most efficient\, an
 d yet makes its genetic basis inaccessible.
LOCATION:Mondi Seminar Room 3\, Central Building\, ISTA
ORGANIZER:ssengupt@ist.ac.at
SUMMARY:Nick Barton: Understanding adaptation in an infinitesimal world
URL:https://talks-calendar.ista.ac.at/events/3420
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