Homosexual deportment due to transmitteds and environmental factors pay back: Saturday, June 28, 2008 - 17:21 in Psychology & Sociology Homosexual behavior is largely shaped by genetics and random environmental factors, according to findings from the worlds largest study of check. Writing in the scientific daybook Archives of Sexual Behavior, researchers from Queen Marys School of Biological and chemical substance Sciences, and Karolinska Institutet in Stockholm report that genetics and environmental factors (which ar specific to an individual, and may include biological processes such as different hormone exposure in the womb), be punishing determinants of homosexual behaviour. Dr Qazi Rahman, study co-author and a leading scientist on human sexual orientation, explains: This study puts cold water on any concerns that we are looking for a single gay gene or a single environmental variable which could be utilize to select out homosexuality - the factors w hich influence sexual orientation are complex. And we are not simply talking about homosexuality hither - heterosexual behaviour is also influenced by a motley of genetic and environmental factors.
The team led by Dr Niklas Långström at Karolinska Institutet conducted the first truly population-based survey of every(prenominal) enceinte (20-47 years old) match in Sweden. Studies of equal parallel and non-identical, or fraternal, correspond are often used to run the genetic and environmental factors creditworthy for a trait. While identical twin dole out all of their genes and their entire environment, fraternal twins share only half of their genes and th! eir entire environment. Therefore, greater law of affinity in a trait between identical twins compared to fraternal twins shows that genetic factors are partly responsible for the trait. This study looked at 3,826 same-gender twin pairs (7,652 individuals), who were asked about the jibe total of opposite sex and same sex partners they had ever had. The findings showed that 35 per...If you want to get a full essay, order it on our website: OrderCustomPaper.com
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