title: Natural selection at work.
abstract: Although much is known about the genetic basis of reproductive isolation between species, little is understood about its underlying evolutionary causes. A study of two very closely related, but reproductively isolated, plant species has provided some valuable insights.
authors.affiliation: Ashworth Laboratories, Institute of Cell, Animal and Population Biology, University of Edinburgh, Edinburgh, EH9 3JT, UK.
authors.forename: B
authors.initials: B
authors.lastname: Charlesworth
authors.forename: D
authors.initials: D
authors.lastname: Charlesworth
mesh_terms: D018521:Plant Physiological Phenomena; D012098:Reproduction / Q000235:genetics*; D012641:Selection, Genetic; D013045:Species Specificity