ArticleProceedings of the National Academy of Sciences of the United States of America2023
Contraception ends the genetic maintenance of human same-sex sexual behavior.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Testing the Mother's Curse Hypothesis in Human Mitochondrial Genome Evolution.Genome biology and evolution · 2025Article
- Life without sex: Large-scale study links sexlessness to physical, cognitive, and personality traits, socioecological factors, and DNA.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- The methodological and ethical concerns of genetic studies of same-sex sexual behavior.American journal of human genetics · 2024Review
- Examining the Fraternal Birth Order Effect and Sexual Orientation: Insights from an East European Population.Archives of sexual behavior · 2024Article
- A broader cultural view is necessary to study the evolution of sexual orientation.Nature ecology & evolution · 2024Article
- Genetic variants underlying human bisexual behavior are reproductively advantageous.Science advances · 2024Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Because human same-sex sexual behavior (SSB) is heritable and leads to fewer offspring, it is puzzling why SSB-associated alleles have not been selectively purged. Current evidence supports the antagonistic pleiotropy hypothesis that SSB-associated alleles benefit individuals exclusively performing opposite-sex sexual behavior by increasing their number of sexual partners and consequently their number of offspring. However, by analyzing the UK Biobank, here, we show that having more sexual partners no longer predicts more offspring since the availability of oral contraceptives in the 1960s and that SSB is now genetically negatively correlated with the number of offspring, suggesting a loss of SSB's genetic maintenance in modern societies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.