Standard Article

Sexual Orientation

  1. Alan R Sanders,
  2. Khytam Dawood

Published Online: 15 JUL 2003

DOI: 10.1038/npg.els.0001480



How to Cite

Sanders, A. R. and Dawood, K. 2003. Sexual Orientation. eLS. .

Author Information

  1. The University of Chicago, Chicago, Illinois, USA

Publication History

  1. Published Online: 15 JUL 2003


Sexual orientation describes what is erotically attractive to an individual and is usually consistent with sexual identity, which refers to an individual's labelling of self as heterosexual, homosexual, or bisexual; both are typically not consolidated until adolescence or later.


  • sexual orientation;
  • gender role behaviour;
  • birth order;
  • family and twin studies;
  • linkage studies