Standard Article

Sexual Orientation: Genetics

  1. J Michael Bailey

Published Online: 15 JUL 2006

DOI: 10.1038/npg.els.0005155



How to Cite

Bailey, J. M. 2006. Sexual Orientation: Genetics. eLS. .

Author Information

  1. Northwestern University, Evanston, Illinois, USA

Publication History

  1. Published Online: 15 JUL 2006


Research into a possible genetic basis for homosexuality has suggested the role of an as yet undiscovered gene localized to the q28 region of the X chromosome. However, this suggestion is controversial for a number of reasons, and the matter is unlikely to be resolved without a considerable amount of additional research.


  • sexual orientation;
  • homosexuality;
  • twins;
  • Xq28