title: Parallel selection: evolution's surprising predictability.
abstract: The mechanistic basis of how polygenic traits respond to selection is not well understood. New research provides compelling evidence for widespread parallel selection in independent mouse strains selected for extreme body weight.
authors.affiliation: Department of Genome Sciences, University of Washington, Seattle, WA 98195-5065, USA. akeyj@uw.edu
authors.forename: Joshua M
authors.initials: JM
authors.lastname: Akey
mesh_terms: D000818:Animals; D001835:Body Weight; D012641:Selection, Genetic