Influenced behavioral by gays

A new study suggests many genes, each with small effects, may play a role in same-sex sexual behavior. People who have had same-sex partners are more likely to have one or more of certain DNA markers, according to the largest ever search for genes linked to sexual orientation. Even all the markers taken together, however, cannot predict whether a person is gay, bisexual, or straight. Instead, hundreds or thousands of genes, each with small effects, apparently influence sexual behavior. The paper, published today in Science , builds on results presented by the same team at a meeting.
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The 'Gay Gene' Is a Total Myth, Massive Study Concludes

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Genetics may explain up to 25% of same-sex behavior, giant analysis reveals | Science | AAAS

No individual gene alone makes a person gay, lesbian or bisexual ; instead, thousands of genes likely influence sexual orientation, a massive new study of the genomes of nearly half a million people suggests. The biological factors that contribute to sexual orientation are largely unknown, but many scientists suspect that genetics plays a role, given that same-sex sexual behavior appears to run in families and is seen more often in identical twins than in fraternal twins. Same-sex orientation remains criminalized in more than 70 countries, some with the death penalty, often stifling those willing to disclose such personal information. The new study, however, included a much larger number of participants, making the results more statistically reliable than those of the previous, smaller studies. In the largest genetic study of sexual orientation to date, scientists studied a group of about , volunteers in the United Kingdom and the United States who reported on whether they had ever engaged in same-sex sexual behavior.
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The 'Gay Gene' Is A Myth But Being Gay Is 'Natural,' Say Scientists

A new study that analyzed the DNA of nearly half a million people has found that, while genetic differences play a significant role in sexual behavior, there is no single gene responsible. Instead, the results published Thursday in the journal Science hint at the complex blend of factors that influence human sexuality, including society and the environment. Though estimates of same-sex experiences vary, a CDC study of U.
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By Tina Hesman Saey. August 29, at pm. Updated August 30, at pm. Publication of the largest-ever study of the roles of genes in homosexual behavior is fanning the debate over whether being gay is due to genes or environment. Family studies have suggested that genetics account for about 32 percent of heritability of homosexual behavior.
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