title: Don't forget the ancestral polymorphisms.
authors.affiliation: Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, ICAPB Ashworth Laboratories, The King's Buildings, West Mains Road, Edinburgh, UK. Deborah.Charlesworth@ed.ac.uk
authors.forename: D
authors.initials: D
authors.lastname: Charlesworth
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D009154:Mutation; D010375:Pedigree; D011110:Polymorphism, Genetic