Fluctuating asymmetry, second to fourth finger length ratios and human sexual orientation

@article{Rahman2005FluctuatingAS,
  title={Fluctuating asymmetry, second to fourth finger length ratios and human sexual orientation},
  author={Qazi Rahman},
  journal={Psychoneuroendocrinology},
  year={2005},
  volume={30},
  pages={382-391}
}
  • Qazi Rahman
  • Published 2005
  • Psychology, Medicine
  • Psychoneuroendocrinology
  • Sexual orientation in humans may be influenced by levels of prenatal sex steroids which canalise neurodevelopment along sex-typical (heterosexual) or sex-atypical (homosexual) lines. Some evidence for sexual-orientation-related differences in putative somatic markers of prenatal sex hormones supports this view. A competing theory asserts that human homosexuality is due to developmental instability (DI) because it represents a shift from the species-typical pattern of heterosexual orientation… CONTINUE READING
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