CBE—Life Sciences EducationVol. 7, No. 1 FeaturesFree AccessBringing Developmental Biology to Life on the WebLouisa A. StarkLouisa A. StarkGenetic Science Learning Center, University of Utah, Salt Lake City, UT 84112-5330Search for more papers by this authorPublished Online:13 Oct 2017https://doi.org/10.1187/cbe.07-06-0035AboutSectionsView articleView Full TextView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail View articleFiguresReferencesRelatedDetails Vol. 7, No. 1 March 01, 20081-162 Metrics Downloads & Citations Downloads: 87 History Information© 2008 by The American Society for Cell BiologyACKNOWLEDGMENTSI thank A. Malcom Campbell for critical comments and helpful suggestions on this article.PDF download