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DTSTAMP:20260424T143341Z
UID:612f3252ab3b8449928196@ist.ac.at
DTSTART:20220601T123000
DTEND:20220601T133000
DESCRIPTION:Speaker: Elina Immonen\nhosted by Beatriz Vicoso\nAbstract: Mal
 es and females commonly show pronounced differences in a range of phenotyp
 es\, including form\, behaviour and physiology. Yet\, the mostly shared ge
 nome constrains independent evolution in the sexes\, generating sexual con
 flict. The male-limited Y chromosome should be important for mitigating se
 xual conflict by accumulating sexually antagonistic loci that only benefit
  males\, but the adaptive potential of Y chromosomes is limited by the los
 s of recombination between the sex chromosomes. We have investigated how s
 exual body size dimorphism can evolve in a seed beetle Callosobruchus macu
 latus\, and what is the role of sex chromosomes\, using a combination of a
 rtificial selection\, quantitative genetics and long-read sequencing. In t
 his seminar I will show how different forms of sex-specific selection affe
 ct the evolutionary potential of size dimorphism\, and present our resent 
 findings characterizing genetic variation in the Y chromosome associated w
 ith size dimorphism.
LOCATION:I22 Lakeside View (I22.O1.006)\, ISTA
ORGANIZER:apal@ist.ac.at
SUMMARY:Elina Immonen: How to evolve to resolve a sexual conflict over body
  size
URL:https://talks-calendar.ista.ac.at/events/3604
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