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Finger-length ratios show evidence of prenatal hormone-transfer between opposite-sex twins
dc.contributor.authorvan Anders, Sari M.
dc.contributor.authorVernon, Philip A
dc.contributor.authorWilvur, Christopher J
dc.date.accessioned2011-05-13T17:23:16Z
dc.date.available2011-05-13T17:23:16Z
dc.date.issued2006-03
dc.identifier.citationvan Anders, Sari M; Vernon, Philip A; Wilvur, Christopher J (2006). Hormones and Behavior, Vol 49(3), Mar, 2006. pp. 315-319. <http://hdl.handle.net/2027.42/83921>en_US
dc.identifier.issn0018-506X
dc.identifier.urihttps://hdl.handle.net/2027.42/83921
dc.description.abstractFinger-length ratio (second to fourth finger; 2D:4D) has been associated with various measures thought to be related to prenatal androgens. In addition, hormone-transfer theory posits that hormones can transfer between twins. We examined 2D:4D in same-sex (SS) and opposite-sex (OS) dizygotic twins to test both propositions. Results show that 2D:4D is masculinized in OS females compared to SS females. This provides strong evidence that 2D:4D is laid down prenatally, and that hormones (likely androgens) can transfer from male to female fetuses. Implications for developmental timeframes for both hormone-transfer and 2D:4D are discussed.en_US
dc.language.isoen_USen_US
dc.publisherNetherlands: Elsevier Scienceen_US
dc.subjectFinger Length Ratiosen_US
dc.subjectPrenatal Hormoneen_US
dc.subjectOpposite Sex Twinsen_US
dc.subjectPrenatal Androgensen_US
dc.titleFinger-length ratios show evidence of prenatal hormone-transfer between opposite-sex twinsen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPsychology
dc.subject.hlbtoplevelSocial Sciences
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumPsychology, Department ofen_US
dc.contributor.affiliationotherDepartment of Psychology, University of Western Ontarioen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/83921/1/finger_length_ratios_show_evidence_of_prenatal_hormone-transfer_between_opposite-sex_twins.pdf
dc.identifier.doi10.1016/j.yhbeh.2005.08.003
dc.identifier.sourceHormones and Behavioren_US
dc.owningcollnamePsychology, Department of


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