We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMaintenance of functional equivalence during paralogous Hox gene evolution.AuthorsGreer JM; Puetz J; Thomas KR; Capecchi MRPublicationNature, 2000, Vol 403, Issue 6770, p661ISSN0028-0836Publication typearticleDOI10.1038/35001077