NEWS.- Once again we are looking for scientific evidence of why an individual is attracted to their own sex. What irritates is not that it is investigated to determine if there is a biological reason that determines the sexual orientation of a person, but that the cause of homosexuality is sought in genetics. Nobody initiates an investigation to look for the origin of the heterosexual behavior of the individuals. Well that.
But in the end, the news in this case is that a study has been conducted with more than 800 homosexual brothers and, after the analysis of the genetic material obtained in samples of blood and saliva from the participants, it has been discovered that several genes on the X chromosome and the 8 chromosome may be involved in sexual orientation. The study has been done by a team of researchers from different American universities, including the prestigious University of Cambridge
Michael Bailey, who has participated in the study, says, 'Sexual orientation has nothing to do with choice. Our findings suggest that genes may be at play. We have found evidence of two sets that determine whether a man is gay or straight. Although this could one day lead to a prenatal test for male sexual orientation, it would not be very accurate, as there are other factors that can influence the outcome "
Other scientists outside the study have expressed that the conclusions of the investigation are not conclusive to the extent that, although there may be a genetic reason, It would be a sum of psychosocial factors that would also intervene in the orientation of each person.
Knowing that sexual orientation is a feature as random as having blue eyes or brown hair, comforts and gives arguments against the prevailing homophobia. But it frightens to read between the lines what can come to suppose the existence of a prenatal test on the future sexual condition of an individual.
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