Research on the role of genes in sexual orientation has revealed that

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Research has shown that genes do play a role in sexual orientation, but their influence is not as strong as it is for other characteristics like height or intelligence. Studies of identical twins, who share all the same genes, have found that if one twin is gay, the other twin is more likely to be gay as well but not always. This suggests that genetics can influence a person's sexual orientation but it is not the only factor. Other environmental factors such as upbringing and socialization also play a role.

Research on the Role of Genes in Sexual Orientation Has