Skip navigation! Story from Living. Could twins hold the answer to the much-debated question of where human sexuality comes from? Scientists think they might provide a clue. A study of identical twin sisters — where one is gay and the other is straight — has been conducted to work out how and when human sexuality is formed.
Lesbian and straight twins may provide secret to understanding human sexuality
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Scientists are studying identical twin sisters - one of whom is heterosexual, the other is homosexual - to try and gain a better understanding of human sexuality. Sarah is straight, Rosie is a lesbian and the twins are now being studied by scientists at The University of Essex. The researchers hope that the study may help them work out how, when and why human sexuality is produced. This is certainly the case with Rosie and Sarah - their childhood pictures reveal the twins as toddlers, with Sarah wearing a dress while playing with a Barbie and Rosie in a Batman outfit playing with Aladdin. The researchers concluded that from around the age of six in girls and eight in boys, sexuality differences were visible. But the work has been controversial, with some people criticising the researchers for reinforcing gender stereotypes. They can have different nutrition, different levels of hormones.
Gay & Straight Twins Are Being Studied To Work Out Where Sexuality Comes From
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