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A study suggests linkage between a mother's genetic make-up and homosexuality of her sons. We hope you understand, and consider subscribing for unlimited online access. The Science of Sex, p. Please send suggestions to Mind Matters editor Gareth Cook. Some scholars [70] have suggested that homosexuality is indirectly adaptive, by conferring a reproductive advantage in a non-obvious way on heterosexual siblings or their children. This was popularly dubbed the " gay gene " in the media, causing significant controversy. Are you a scientist who specializes in neuroscience, cognitive science, or psychology?

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Genes linked to being gay may help straight people get more sex

AI for Personalized Health Care The authors concluded that "our findings, taken in context with previous work, suggest that genetic variation in each of these regions contributes to development of the important psychological trait of male sexual orientation". In other words, every identical twin of a homosexual subject was also homosexual, while this was not the case for non-identical twins. The research points to childhood separation anxiety as a culturally universal correlate of androphilia in men. This is a huge selective advantage that a male-loving allele confers on women, and offsets the selective disadvantage that it confers on men. InGanna et al. The university wants to learn what ties its faculty members had to He Jiankui, the researcher who created gene-edited humans.

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The early fixation hypothesis includes research into prenatal development and the environmental factors that control masculinization of the brain. Lesbiangaybisexualand transgender LGBT topics. Read the original article. Sign up for our email newsletter. Retrieved February 11, In a study population composed of more than participants, Ellis et al.

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