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Identical twins bisexual

The lead researcher of the controversial test, the first that claims to detect sexual orientation, quit over concerns it may be misused. The study, presented Thursday to genetics experts meeting in Baltimore, traced the genetic changes in identical twins that when combined help determine whether someone is gay or straight. According to Gallup , about 3. Currently, there is no way to selectively change epigenetic patterns on DNA, although the technology is being developed.
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Sexual Arousal Patterns of Identical Twins with Discordant Sexual Orientations

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Length of ring and index fingers 'linked to sexuality' - BBC News

Please take this quick survey to tell us about what happens after you publish a paper. Archives of Sexual Behavior. Twin pairs in which at least one twin is homosexual were solicited through announcements in the gay press and personal referrals from to the present. Thirty-eight pairs of monozygotic twins 34 male pairs and 4 female pairs were found to have a concordance rate of
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Homosexual orientation in twins: A report on 61 pairs and three triplet sets

Can a person really be "bisexual"? Is bisexuality something that is taught, or it is something that is natural in a person's genetics such as being gay or straight? Image from Wikimedia Commons. Image from Pixabay. Image from Flickr.
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The relationship between biology and sexual orientation is a subject of research. While scientists do not know what determines an individual's sexual orientation , they theorize that it is caused by a complex interplay of genetic , hormonal , and environmental influences. Biological theories for explaining the causes of sexual orientation are favored by scientists. A number of twin studies have attempted to compare the relative importance of genetics and environment in the determination of sexual orientation.
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