Eight respondents gave answers that showed they believed that homosexuality is totally due to genes, 25 respondents believed that genes are at least partly the cause of homosexuality, 5 participants said that genes play a role for some people but not for others, and 43 respondents felt that genes play no role. It finds that epigenetic effects, chemical modifications of the human genome that alter gene activity without changing the DNA sequence, may have a major influence on sexual orientation.
“GAY GENES” New research has uncovered DNA differences linked to same-sex sexuality in both men and women. Those genetic tweaks don’t predict who is likely to be gay. A dramatic claim was that there was a single genetic variation, the "gay gene," that was found in gay men. Furthermore, it was on the X chromosome, which is inherited from the. There is no single gene responsible for a person being gay or a lesbian.
That’s the first thing you need to know about the largest genetic investigation of sexuality ever, which was published. More from Psychology Today. References VanderLaan, D. Most gay people will tell you its not a choice.
Other evidence suggests that tops tend to be hyper-masculinized. Especially the part about the comparison with bestiality and pedophilia; it logically makes sense. As you can see, this matter can be complicated and requires extensive research on the Y chromosome and its origin and evolution to get clearer answers. Guess at our mutual age of 80 we are both still in there working to end discrimination toward GLBT persons.
A study led by John Theisen discovered that a panel of genes may have a biological basis for gender dysphoria, where someone believes their gender is opposite of what their biological sex is. The same is true for female fetuses that were exposed to the male sex hormone testosterone. Most likely, that is the type of person they were raised around; however, that does not change the fact that for some reason, they were initially attracted to you.
Nurture: The Biology of Sexuality. Are you outgoing or introverted? In the new study, a team led by Brendan Zietsch of the University of Queensland, Australia, mined several massive genome data banks, including that of 23andMe and the UK Biobank 23andMe did not fund the research. There have been numerous studies designed to determine whether or not homosexuality has a genetic cause. Common sense will tell you its not a choice.
Twitter Facebook. This articles aims to provide you with factual information to help you form your own opinion. Call Email diversity diversityresources. The fact that there are many different prenatal events that can lead a person to have a same-sex orientation as an adult is an important aspect of the theory that VanderLaan and colleagues lay out in their article. There are too many taboo topics intermingled.
About the Author. The Pyschologist leader of this study rightly said he is unqualified to make a genetic statement on the subject. Kimberly Cornuelle. That is exactly what I was thinking, if you have 2 kids and they both grow up in the same household assuming how they are raised causes being gay , if one is gay than the other would most likely be gay as well since they are both in the same conditions. See All Tests.
Medical experts believe that sexual orientation is a mix of psychological, environmental, and biological factors. Yet some researchers question whether the analysis, which looked at genes associated with sexual activity rather than attraction, can draw any real conclusions about sexual orientation. What is sexual orientation?
It is substantially more reasonable that a person is born sexual, period; and for any number of reasons, chooses how to act on that sexuality. The findings were published August 30, , in Science.
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