What To Make Of That Saliva Test For Homosexuality
Thursday, October 8, 2015 - 18:00
in Psychology & Sociology
Open wide Marcus Quigmire A new saliva test claims to show whether a man is straight or gay. A new saliva test purportedly shows whether a man is straight or gay, according to research presented today at the annual meeting of the American Society of Human Genetics. And no, it won’t tell you why someone is gay. And it doesn’t work for women or bisexuals, either. While many scientists believe that there is a genetic component to homosexuality, there are non-genetic factors that may influence a person’s sexuality. For one, there's the fraternal birth order effect--a pattern where a woman’s first male pregnancy increases the chances that her subsequent sons are gay by as much as 33 percent. This phenomenon supports the idea that the body...