New insights into the genetics of same-sex behavior

New insights into the genetics of same-sex behavior

Lucía Gallego 1, Manuel de Santiago 2, Vicente Soriano 3

1 Department of Psychiatry, San Carlos University Hospital, Madrid, Spain; 2 Pellegrino’s Group for Medical Ethics, Madrid, Spain; 3 UNIR Health Sciences School and Medical Center, Universidad Internacional de La Rioja, Madrid, Spain

*Correspondence: Lucía Gallego, Email not available

Abstract

Across human societies, a fraction of men and women (around 2-10%) report engaging in sex with samesex partners, either exclusively or, more frequently, in addition to having heterosexual partners (bisexuals) (ACSF. Nature 1992; Melbye et al. Am J Epidemiol 1992; Bailey et al. Psychol Sci Public Interest 2016; Semenyna et al. J Sex Res 2017) (Fig. 1).

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