VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY
Genetic sexuality. Conceptual computer artwork of male and female symbols in front of DNA helices (deoxyribonucleic acid), representing the genetic component of sexual identity. It is known that a person's genetic material (DNA) determines their sexual anatomy, but it is now thought that there is a further genetic component to sexual identity. Genes influence brain anatomy and structure. This influence varies between men and women, and may allow more verbal expressiveness in women. Such a genetic part of brain function is present from birth, rather than acquired, and may contribute to transgender sexuality and homosexuality.
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