Homosexuality in monozygotic twins reared apart

E. D. Eckert, T. J. Bouchard, J. Bohlen, L. L. Heston

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

We describe six pairs of monozygotic twins, in which at least one member of five pairs were homosexual, and one of the remaining pair was bisexual, from a series of 55 pairs, reared apart from infancy; all the female pairs were discordant for homosexual behaviour. This and other evidence suggest that female homosexuality may be an acquired trait. One male pair was concordant for homosexuality, while the other was not yet clearly concordant or discordant; this suggests that male homosexuality may be associated with a complex interaction, which genes play some part.

Original languageEnglish (US)
Pages (from-to)421-425
Number of pages5
JournalBritish Journal of Psychiatry
Volume148
Issue numberAPR.
DOIs
StatePublished - Jan 1 1986

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