Kaplan, Bonnie J.Rucklidge, Julia Jane2005-07-292005-07-291995Rucklidge, J. J. (1995). Developmental differences between same-sex and opposite-sex twins (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/245800612043185http://hdl.handle.net/1880/29682Bibliography: p. 166-180.xvi, 236 leaves ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.RG 696 R83 1995TwinsChild development - VariationTestosterone - Physiological effectPrenatal influencesMasculinity (Psychology)Sex differencesmaster thesis10.11575/PRISM/24580RG 696 R83 1995