Eye Color, Hair Color, Blood Type, and the Rhesus Factor: Exploring Possible Genetic Links to Sexual Orientation

  title={Eye Color, Hair Color, Blood Type, and the Rhesus Factor: Exploring Possible Genetic Links to Sexual Orientation},
  author={L. Ellis and C. Ficek and D. Burke and S. Das},
  journal={Archives of Sexual Behavior},
  • L. Ellis, C. Ficek, +1 author S. Das
  • Published 2008
  • Psychology, Medicine
  • Archives of Sexual Behavior
  • The present study sought to expand the limited evidence that sexual orientation is influenced by genetic factors. This was accomplished by seeking statistical differences between heterosexuals and homosexuals for four traits that are known to be genetically determined: eye color, natural hair color, blood type, and the Rhesus factor. Using a sample of over 7,000 U.S. and Canadian college students supplemented with additional homosexual subjects obtained through internet contacts, we found no… CONTINUE READING
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