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SUMMARY:Evolution and development of morphology among populations and betw
 een species of Drosophila - Alistair McGregor\, Oxford Brookes University\
 , UK
DTSTART:20111116T130000Z
DTEND:20111116T140000Z
UID:TALK33887@talks.cam.ac.uk
CONTACT:25358
DESCRIPTION:Evolution and development of morphology among populations and 
 between species of Drosophila \n\nAlistair P. McGregor  \n\nAnimals exhibi
 t great variation in size and shape\, and display many morphological innov
 ations. A central challenge in evolutionary biology is to identify and und
 erstand the genetic basis of morphological evolution. Recent progress has 
 been made in identifying the changes underlying variation in some traits i
 ncluding pigmentation and bristle patterns in flies\, and genes responsibl
 e for the loss of traits\, such as eyes in cavefish and pelvic structures 
 in sticklebacks. However\, there remains a paucity of knowledge regarding 
 the contribution of variation in populations to differences between specie
 s\, the evolution of complex quantitative morphological traits\, and the e
 volutionary forces involved. My research addresses these questions by inve
 stigating the genetic basis of morphological differences within and betwee
 n species of the Drosophila melanogaster subgroup. In this talk I will des
 cribe our work on the evolution of two traits\, the 'naked valley' and eye
  morphology.  \n
LOCATION:Part II Lecture Theatre\, Department of Zoology
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