To make it simple to understand I think "same-sexual behavior" can be compared to left or right handedness. There is not a single gene that determines it (proba

To make it simple to understand I think "same-sexual behavior" can be compared to left or right handedness. There is not a single gene that determines it (probably more than 40) but it is certainly not a thing people can choose or that can be easily changed during life. More about handedness https://ghr.nlm.nih.gov/primer/traits/handedness https://ghr.nlm.nih.gov/primer/traits/handedness