We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDevelopment. Doublesex in the middle.AuthorsBurtis, Kenneth CPublicationScience (New York, N.Y.), 2002, Vol 297, Issue 5584, p1135ISSN1095-9203Publication typeJournal ArticleDOI10.1126/science.1074492