There is a popular belief that people are born either gay or straight. Conservatives tend to believe that sexual orientation is actually sexual preference, which is chosen by the individual. This page represents a review of the scientific literature on the basis for homosexual orientation. Sexual orientation is an abstruse topic with regard to human sexuality. Biologically, human beings, like most mammals, produce two sexes males and females that are encoded genetically by the sex chromosomes X and Y.
Is Sexual Orientation Determined at Birth?
Biology and sexual orientation - Wikipedia
The reasons behind why people are gay, straight or bisexual have long been a source of public fascination. Indeed, research on the topic of sexual orientation offers a powerful window into understanding human sexuality. Among the indigenous Zapotec people in southern Mexico, individuals who are biologically male and sexually attracted to men are known as muxes. They are recognized as a third gender: Muxe nguiiu tend to be masculine in their appearance and behavior; muxe gunaa are feminine.
Being Gay Not a Choice: Science Contradicts Ben Carson
People choose to be gay. They are making an immoral choice, which government should discourage. Sexual preference is biologically determined.
There has been much debate about what causes homosexuality. People often wonder if there's a gay gene or if homosexuality is caused by environmental factors, such as upbringing, child molestation, an absent mother, or an affectionate father. Although there have been few studies on the cause of homosexuality, the debate seems to be divided, with scientists in one corner and religious fundamentalists in another. The APA goes on to say that sexual behavior is not the same as sexual orientation. Certainly, gay individuals can engage in heterosexual sex.