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Ethics of genetic research on same-sex sexual behaviour

The ethics of research into the genetics of sexuality is not straightforward. A new study by Zietsch et al. investigates a hypothesis for the evolutionary basis of same-sex sexual behaviour. This increases our understanding of the genetics of complex behaviour, raising questions about whether and how such knowledge should be used.

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  1. Katz, J. N. The Invention of Heterosexuality (Univ. Chicago Press, 2007).

  2. Earp, B. D., & Vierra, A. in The Palgrave Handbook of Philosophy and Public Policy (ed. Boonin, D.) 535–550 (Palgrave Macmillan, 2018).

  3. Lewis, G. B. Policy Studies J. 37, 669–693 (2009).

    Article  Google Scholar 

  4. Stein, E. J. Homosex. 27, 269–308 (2008).

    Article  Google Scholar 

  5. Zietsch, B. P., et al. Nat. Hum. Behav. (2021).

  6. Schuklenk, U., Stein, E., Byne, W. & Kerin, J. Hastings Center Report 27, 6–13 (1997).

    Article  CAS  Google Scholar 

  7. Munday, S., Savulescu, J. J. Med. Ethics (2021).

  8. Parfit, D. Reasons and Persons (Clarendon Press, 1984).

  9. Savulescu, J., Hemsley, M., Newson, A. & Foddy, B. J. Appl. Philos. 23, 157–171 (2006).

    Article  Google Scholar 

  10. Bavelier, D. et al. Nat. Hum. Behav. 3, 204–206 (2019).

    Article  Google Scholar 

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Correspondence to Julian Savulescu.

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Competing interests

The authors declare no competing interests. J.S. is a Partner Investigator on Australian Research Council grant LP190100841, which involves industry partnership from Illumina. He does not personally receive any funds from Illumina.

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Savulescu, J., Earp, B.D. & Schuklenk, U. Ethics of genetic research on same-sex sexual behaviour. Nat Hum Behav 5, 1123–1124 (2021).

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