Can We Admit Sexuality is Genetic Yet?

Yes, as mentioned before, some people are molested young and so become homosexual. But for most people sexuality is defined in the womb.

The nature-versus-nurture debate rages on, but a new study of transsexuals has shown genetics plays a key role in determining our sense of gender.

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Researchers measured the variation in the androgen receptor gene, which is involved in the functioning of the sex hormone testosterone.

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Researchers discovered the transsexuals were more likely than non-transsexuals to have a longer form of the gene.

Fox

That's solid evidence of a genetic basis to the change in sexual identification.