Sexual attraction is driven by genetics from "summary" of Sex on the Brain by Deborah Blum
In one influential study, researchers gathered data on more than four hundred female twins. The goal was to determine how much of sexual orientation might be inherited. And the results suggested that about thirty percent of the variance in sexual orientation was due to genetic factors. The findings implied that genetics played a significant role in shaping sexual attraction. It's not just twins, either. Scientists have found similar results in studies of adopted siblings. This type of research provides further evidence that genetics contributes to sexual orientation. The idea that sexual attraction is influenced by genetic factors challenges traditional beliefs about sexuality. It suggests that our genes may play a larger role in determining who we are attracted to than previously thought. Of course, genetics is not the only factor at play. Environmental influences also play a role in shaping sexual orientation. For example, experiences during childhood and adolescence can impact sexual attraction. But even in the face of environmental factors, genetics still seem to have a significant impact. The interplay between genetics and environment is complex, and researchers continue to explore how these factors interact to shape sexual orientation.- The idea that sexual attraction is driven by genetics offers a new perspective on human sexuality. It suggests that our genes may play a larger role in determining who we are attracted to than we realize. Through studies on twins and adopted siblings, scientists are uncovering evidence that genetics do indeed influence sexual orientation. This research challenges conventional thinking about sexuality and opens up new avenues for understanding the complexities of human attraction.
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