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There are factors besides a “warrior gene” that contribute to aggression. If you come from a culture where alcohol consumption is forbidden, it will be difficult for you to become an alcoholic, no matter how your body metabolizes alcohol.
#SCIENTIFICALLY WHY AM I GAY HOW TO#
The existence or absence of a protein can have an effect on things like alcohol tolerance or mood.Īffecting something is not the same as having complete control over it.Įnvironment, like genetics, plays an important role in how our behavior develops.Īlcoholism runs in families not only because there is a genetic component to alcoholism, but also because children learn how to cope with stress by watching how their parents and their older siblings behave in stressful situations. Genes regulate the production of amino acids, which combine to form proteins. Genes can’t control behavior completely, though. There have also been headlines about an “alcoholism gene”, which makes people become alcoholics, and a “warrior gene”, which makes people unusually aggressive. This led to media headlines about the possibility of the existence of a “gay gene” and discussions about the ethics of aborting a “gay” fetus. In 1993, a study published in the journal Science showed that families with two homosexual brothers were very likely to have certain genetic markers on a region of the X chromosome known as Xq28. We know, from many twin and adoption studies, that sexual preference has a genetic component.Ī gay man is more likely than a straight man to have a (biological) gay brother lesbians are more likely than straight women to have gay sisters.
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What does science tell us about sexual preference? (The fourth option, that gay people have no choice but to be gay, but should be punished for it anyway, is morally unthinkable.) Perhaps sexual preference can be changed – and people have the right to engage in gay sex and have homosexual relationships if they choose to do so. Isn’t it fantastic that, by an amazing coincidence, there is no way to stop it?” “Homosexual behavior should be allowed to take place. How wonderful it is that nobody has to be gay!” These two answers have something in common: With both of them, the science conveniently supports the moral decision. Government should protect gay people from discrimination because homosexuality is an unalterable aspect of their identity. Sexual preference is biologically determined. They are making an immoral choice, which government should discourage.
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Ask this question, and you will probably receive one of two responses: