Human Sexual Orientation

摘要: • Recent studies postulate biologic factors as the primary basis for sexual orientation. However, there is no evidence at present to substantiate a theory, just compelling support any singular psychosocial explanation. While all behavior must have an ultimate substrate, appeal of current explanations orientation may derive more from dissatisfaction with status than substantiating body experimental data. Critical review shows favoring theory be lacking. In alternative model, temperamental and personality traits interact familial social milieu individual's sexuality emerges. Because such heritable or developmentally influenced by hormones, model predicts apparent nonzero heritability homosexuality without requiring that either genes hormones directly influence per se.