Suggest biological genes gay lesbian


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The relationship between biology and sexual orientation is a subject of research. While scientists do not know what determines an individual's sexual orientationthey theorize that it is caused by a complex interplay of genetichormonaland environmental influences. Biological theories for explaining the causes of sexual orientation are favored by scientists. 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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Giant study links DNA variants to same-sex behavior

Ben Carson, a retired neurosurgeon and presidential hopeful, recently apologized for a statement in which he said being gay is "absolutely" a choice. In an interview on CNN, the potential Republican presidential candidate commented that "a lot of people who go into prison, go into prison straight, and when they come out they're gay, so did something happen while they were in there? Ask yourself that question. Since then, he has apologized for the divisiveness of his comments, but hasn't backed down from the notion that being gay is something people choose.

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'Gay genes': science is on the right track, we're born this way. Let’s deal with it.

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.

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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.