Is being gay heridatary

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Other researchers support biological causes for both men and women's sexual orientation. Female sexual orientation does not seem to be linked to Xq28, [18] [23] though it does appear moderately heritable. The inactivation of the X chromosome occurs randomly throughout the embryo, resulting in cells that are mosaic with respect to which chromosome is active. Get Science News headlines by e-mail. These areas of the hypothalamus have not yet been explored in homosexual females nor bisexual males nor females.

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Six of these men had died of AIDS-related illnesses.

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But geneticists have had only a handful of underpowered studies to address a complex, fraught, and often stigmatized area of human behavior. Other researchers support biological causes for both men and women's sexual orientation. Advances in Genetics. A number of twin studies have attempted to compare the relative importance of genetics and environment in the determination of sexual orientation.

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The data in the study was meta-analyzed and obtained from the UK Biobank study and 23andMe.

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