We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleShedding genomic ballast: extensive parallel loss of ancestral gene families in animals.AuthorsHughes AL; Friedman RPublicationJournal of molecular evolution, 2004, Vol 59, Issue 6, p827ISSN0022-2844Publication typearticleDOI10.1007/s00239-004-0115-7