We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMolecular spandrels: tests of adaptation at the genetic level.AuthorsBarrett RD; Hoekstra HEPublicationNature reviews. Genetics, 2011, Vol 12, Issue 11, p767ISSN1471-0064Publication typearticleDOI10.1038/nrg3015