Does the gay gene exsist

The classic case is the blood disease sickle cell anaemia, which leads to disease and death if you have two alleles, but to malaria resistance if you have only one, making it common in malarial regions. They may predispose a person to one sexuality rather than another. Similar studies gave contradictory results. If their sisters, mother and aunts have more kids who share some of their genes, it would make up for the fewer children of gay males. Contrary to the way many people may interpret this study, biological and environmental influences, which I accept, are not the same causes. Given that sexual orientation seems likely to have a complex and diverse range of biological, environmental and cultural influences, homophobic bids to eliminate it look set to fail.

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Does a ‘gay gene’ exist?


Scott Mills considers the evidence of a biological origin for sexuality. But each of these genes has a small effect on the trait so do not reach traditional levels of statistical significance. It is not a simple act of will or a performance. Loading comments… Trouble loading? Media requires JavaScript to play. I wait with baited breath for a full peer-reviewed article" Professor Darren Griffin, University of Kent.

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He studies the biology of sexual orientation and the implications for mental health and is the co-author of Born Gay? Other research has found that among identical twins where one brother is gay the likelihood of the other brother also being gay is much greater than the incidence of homosexuality in the general population. Mail on special occasions. This website uses cookies This website uses cookies to improve user experience. This latest research overcomes the problems of three prior studies which did not find the same results. Scott Mills considers the evidence of a biological origin for sexuality.

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