Results are based on genetic testing and survey responses. Now, a new study claims to dispel the notion that a single gene or handful of genes make a person prone to same-sex behavior. Mills of Oxford. By Helen Branswell.
Hot Property. Black rights activists livestream removal of African statue from Dutch Museum. Scientists have long probed the nature of same-sex behavior, finding some evidence in twin studies that genetics plays a role. Amazon tribes expert 'cried out, pulled arrow from chest' after being fatally shot by Indigenous group.
That's not in anyone's interest.
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Appearing to allude to the discrimination which LGBT people face, the authors wrote: "Our findings provide insights into the biological underpinnings of same-sex sexual behavior but also underscore the importance of resisting simplistic conclusions—because the behavioral phenotypes are complex, because our genetic insights are rudimentary, and same sex gene in Девонпорт there is a long history of misusing genetic results for social purposes.
For libertarians, marriage legislation of any sort—either the legalization or the prohibition of same-sex marriage—fell outside of the role of government and was unacceptable. News Home. The researchers also used data from nearly 70, customers of the genetic testing service 23andMe, who were 51 years old on average, mostly American, and had answered survey questions about sexual orientation.
Scientists have again debunked the idea of a single "gay gene", in the largest study to date of the genetics of same-sex sexual behaviour. Rather, their findings paint a diverse and complex picture of human sexuality, and the genetic factors that influence it.
CHICAGO -- The largest study of its kind found new evidence that genes contribute to same-sex sexual behaviour, but it echoes research that says there are no specific genes that make people gay.
A person's genes do not determine whether they will be attracted to members of the opposite sex, scientists believe.
There's no such thing as a single "gay gene" that drives a person's sexual behavior, concludes the largest genetic study ever conducted on the issue. Instead, a person's attraction to those of the same sex is shaped by a complex mix of genetic and environmental influences, similar to what's seen in most other human traits, researchers report.
Same-sex marriage , the practice of marriage between two men or between two women.
How do genes influence our sexuality?
Writing in the journal Science , an international team of researchers report how they drew on existing genetic databases to conduct the largest study yet into genetics and same-sex sexual behaviour. Researchers found five genetic variants — tiny differences in DNA — that showed a clear link to same-sex sexual behaviour, two in both men and women, two found only in men and one found only in women.
Starting in the s, scientists reported tentative evidence for genetic links to sexual orientation. Instead, hundreds or thousands of genes, each with small effects, apparently influence sexual behavior. Rice and Vilain agree that the conclusion is unclear. Uganda recently announced plans to put forth a bill imposing the death penalty for homosexuality.
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Aug 29, · There’s no one ‘gay gene,’ but genetics are linked to same-sex behavior, new study says (iStock) By. Lindsey Bever. Lindsey Bever. General assignment reporter covering national and breaking. Aug 29, · A person's genes do not determine whether they will be attracted to members of the opposite sex, scientists believe. The research debunks the idea that there is a so-called "gay gene.
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Aug 29, · Though estimates of same-sex experiences vary, a CDC study of U.S. adults found that % of men and % of women between the ages of 18 and 44 reported at least one same-sex . Aug 29, · There might be thousands of genes influencing same-sex sexual behavior, each playing a small role, scientists believe. The new study found that all genetic effects likely account for about
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Aug 29, · The largest study of its kind found new evidence that genes contribute to same-sex sexual behaviour, but it echoes research that says there are no specific genes that make people gay. Scientists debunk the idea of a single "gay gene" in the largest study to date of the genetics of same-sex sexual behaviour. Their findings paint a diverse and complex picture of human sexuality.
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Same-sex marriage, the practice of marriage between two men or between two women. Although same-sex marriage has been regulated through law, religion, and custom in most countries of the world, the legal and social responses have ranged from celebration to criminalization. Sep 09, · The data, in essence, say that same-sex sexual behavior is a complex trait governed by a number of genetic and non-genetic factors, like height and hundreds of other traits.
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Aug 29, · The five specific genes related to same-sex desire cropped up in odd places, the researchers noted. For example, one was located in a stretch of DNA that contains several genes . The ZW sex-determination system is found in birds, some reptiles, and some insects and other organisms. The ZW sex-determination system is reversed compared to the XY system: females have two different kinds of chromosomes (ZW), and males have two of the same kind of chromosomes (ZZ). In the chicken, this was found to be dependent on the expression of DMRT1.
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