Most life-scientists today agree that sexual orientation is probably the result of complex interactions of environmental, cognitive/psychological and biological factors.[1] According to the American Psychiatric Association, however, "to date there are no replicated scientific studies supporting any specific biological etiology for homosexuality. Similarly, no specific psychosocial or family dynamic cause for homosexuality has been identified, including histories of childhood sexual abuse."[2]
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Although a number of biological factors have been considered by scientists, such as prenatal hormones, chromosomes, polygenetic effects, brain structure effects and even viral influences, no clear scientific consensus exists today as to how biology influences sexual orientation.
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Although a number of biological factors have been considered by scientists, such as prenatal hormones, chromosomes, polygenetic effects, brain structure effects and even viral influences, no clear scientific consensus exists today as to how biology influences sexual orientation.
btw, "epigenetics" was the cue that you didn't understand what you were talking about. There's no special reason why it's a better explanation for homosexuality than regular genetics.
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