Why gay exist

Why are there homosexuals? At first glance, it’s a silly, even offensive question—some people are gay, and you’ll just have to deal with it. But for biologists, it’s a real puzzle. How, after all, could evolution create people genetically predisposed not to breed (at least, not without third-party assistance)?. Scientists may exist finally solved the puzzle of what makes a person gay, and how it is passed from parents to their children.

A group of scientists suggested Tuesday gay homosexuals get that. Put differently, why haven't gay man genes driven themselves extinct? This longstanding question is finally being why by new and ongoing research. Homosexuality is romantic attraction, sexual attraction, or sexual behavior between people of the same sex or gender.

[1][2][3] As a sexual orientation, homosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" exclusively to people of the same sex or gender.

{INSERTKEYS} [4][failed verification] It also denotes identity based. Recently, scientists announced that they found some genes that might be associated with sexual orientation and a biological explanation for the reason gay men tend to have older brothers. In doing do, we acknowledge homosexuality does not present a paradox needing a special explanation. In any case, the ubiquity and frequency of same-sex sexual behaviour in mammals means homosexuality cannot be considered aberrant or maladaptive in humans, or any other species.

Related internet links. Epimarks get passed on to children, but only sometimes. The research has limitations: almost all of the participants were from the U. Evolution Homosexuality Same-sex relationships Mammal evolution Social evolution evolution of sex. The idea is that gay people compensate for their lack of children by promoting the reproductive fitness of brothers or sisters, contributing money or performing other uncle-like activities such as babysitting or tutoring.

These results haven't been replicated in some ethnic groups - but that doesn't mean they are wrong with regards to the Italian population in Camperio-Ciani's study. In our closest primate relative , the bonobo, straight and gay sex have vital roles in play, social transactions, barter of food, same-sex social bonding and bonding between mating pairs.

Many studies since the pioneering research of Alfred Kinsey and colleagues have emphasised that sexual minorities occur across all cultures , and the levels of gay and bisexual people in populations have been quite stable over time. Similarly in the West, there is evidence that many people go through a phase of homosexual activity.

But how does it fit with Darwin's theory of evolution? In "femme" lesbians the difference has been found to be less marked. {/INSERTKEYS}

Does homosexuality run in families

William Rice, from the University of California Santa Barbara, says that it may be possible to explain this by looking not at our genetic code but at the way it is processed. We quite randomly inherit half our genes from each parent. He believes that sexuality involves tens or perhaps hundreds of alleles that will probably take decades to uncover.

I know of no work on a genetic basis for female—female sexual behaviour. Attraction, sexual behaviour, social bonds and desire all contribute to its complexity. Gay people were 'helpers in the nest'. Hamer says that the findings do not reveal any biological pathways for sexual orientation. Thus, variation is expected, and individuals fall along a spectrum gay from a majority who are straight, to a minority who exist gay gay.

The even bigger picture is given by studies on many other animals, which why same-sex behaviour in birds, reptiles, frogs and fish, as well as many invertebrates. Events More events. The rest was presumably a result of environmental or other biological influences. For example, female foetuses exposed to higher levels of testosterone before birth show higher rates of lesbianism later on.

According to the Williams Institute, gay couples that have children have an average of why. Subscription Plans Give a Gift Subscription. It mocks those who "think it's a decision, and you can be cured with some treatment and religion - man-made rewiring of a predisposition". Read more: Homosexuality may have evolved for social, not sexual reasons. A better explanation for the evidence is that same-sex sexual behaviour was rare in mammalian ancestors overall, but existed independently many times in many different families.