Is There a “Gay Gene"?
No matter why those genes are still around, we do know that being gay is partly genetic and partly determined before a baby is even born. This tells us that sexual orientation isn’t a learned behavior or a choice. Brendan Zietsch does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment. They are gay if they are born gay. Are you born gay or is it a choice? Scientists might have
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. Estimates as to the number of gay people in the population range from 1-in to 1-in, so why are some people gay? Are they gay by choice or is being gay genetic? 
Is a person ‘born gay’, or is being gay a learned behavior?
The theory that people are "born gay" has been used to argue that sexual orientation is similar to race - that "gay is the new black." Based largely on this premise, the proposed "Equality Act," which is currently under consideration in Congress, would treat sexual orientation exactly like race under federal civil rights laws. But is it true that sexual orientation is determined at (or before. Official websites use. Share sensitive information only on official, secure websites.
Why Are People Gay? Gay By Choice or Is Being Gay Genetic?
Numbers indicate the sequence of birth from a same mother and parentheses indicate the presence of one or more sons of a given category. Heterosexual (straight) sons are illustrated in blue and gay sons with the rainbow flag associated with homosexuality. Reproduced from (Balthazart, ) with permission. Being gay is not a choice for people. Instead, it appears to be a fundamental part of who someone is. 
Is sexual orientation determined at birth? No.
Scientists have uncovered the strongest evidence yet in the debate of whether people are ‘born gay’. The largest ever study into the existence of a so-called ‘gay gene’, conducted by NorthShore Research Institute, looked at sets of gay brothers in an effort to finally put the debate to. Posted March 13, Reviewed by Devon Frye. He explained that this split had come about over a disagreement about whether to accept LGBTQ persons into their congregations.
I was born this way
Estimates as to the number of gay people in the population range from 1-in to 1-in, so why are some people gay? Are they gay by choice or is being gay genetic? The simplest answer is to look at the definition of the word "gay." The term gay is a synonym for homosexual, which is defined as, 1,2 "Of, pertaining to, or exhibiting sexual desire or behavior directed toward a person or persons. . There is no ‘gay gene.’ There is no ‘straight gene
The debate over whether people are “born gay” has been an active one for several years, but what does the current science indicate?. . 
FactCheck Q&A
Sexual orientation is shaped in prenatal development, but science shows that there are not only many ways of becoming gay but also many ways of being gay. .