title: Balancing claims for balancing selection.
authors.affiliation: Department of Ecology and Evolution, University of Chicago, 920 E. 58th Street, Chicago, IL 60637, USA.
authors.forename: Martin
authors.initials: M
authors.lastname: Kreitman
authors.forename: Anna
authors.initials: A
authors.lastname: Di Rienzo
mesh_terms: D000818:Animals; D016000:Cluster Analysis; D005787:Gene Frequency; D006801:Humans; D008957:Models, Genetic; D010802:Phylogeny; D011110:Polymorphism, Genetic; D017096:Prion Diseases / Q000235:genetics*; D011328:Prions / Q000235:genetics* / Q000378:metabolism*; D012641:Selection, Genetic
chemical_list: D011328:Prions