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SUMMARY:Reconstructing humanity’s ghosts: genetic evidence for interbree
 ding among archaic humans - Trevor Cousins
DTSTART:20240307T183000Z
DTEND:20240307T192000Z
UID:TALK211957@talks.cam.ac.uk
CONTACT:Dr Sandra Petrus-Reurer
DESCRIPTION:CANCELLED!\n\nAdvances in technology allow a detailed view of 
 an individual’s complete genome sequence. This enables researchers to re
 construct the last few million years of human evolution\, revealing for ex
 ample how archaic humans such as Neanderthals and Denisovans interbred wit
 h modern humans. Using statistical models\, we find evidence for modern hu
 mans interbreeding with a “ghost” population\, i.e. a group of archaic
  humans that are now extinct and from whom we have no direct genetic data.
  We estimate that this ghost population diverged from our ancestors ~1.5 m
 illion years ago\, went extinct in the last ~300 thousand years\, and that
  about 20% of every modern human’s genome derives from an interbreeding 
 event with this group.
LOCATION:Richard King room\, Darwin College
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