Sarah Nunn and Rosie Ablewhite are two, normal 29 year-old women, but they also happen to now be a researcher's dream. They are identical twins, meaning their genes are, well, identical, and they were brought up together. This means that the circumstance for both their 'nature' the nature of their genetic make-up and their 'nurture' the environment in which they were brought up, including any extraneous factors that don't relate to their genes are pretty much exactly the same. However, Sarah is straight and Rosie is gay. Twin support betty.
Homosexual orientation in twins: A report on 61 pairs and three triplet sets | SpringerLink
Aiden and Ethan Dvash-Banks were born four minutes apart. The twins, now 16 months old, love chasing each other around the house, wear the same clothes and share an obsession with Elmo. In the eyes of the US government, however, the boys are not equal. Aiden is a citizen — and Ethan is undocumented. In a new federal lawsuit, the Los Angeles family is challenging a policy that they say discriminates against LGBT people by denying birthright citizenship to the children of gay couples based on blood relationships.
Baby ‘twins’ born with two different dads after gay parents have IVF
A genetic analysis of pairs of gay brothers, including sets of twins, has provided the strongest evidence yet that gay people are born gay. The study clearly links sexual orientation in men with two regions of the human genome that have been implicated before, one on the X chromosome and one on chromosome 8. The finding is an important contribution to mounting evidence that being gay is biologically determined rather than a lifestyle choice.
A gay couple has welcomed a set of twins with two different fathers, after both men were able to fertilise an embryo during the IVF process. Amazing advances in IVF meant that the couple were able to fertilise an embryo each and both were placed into surrogate Meg Stone's womb. Simon, 43, said: 'It really is amazing that Graeme and I have been able to father one of our twins each. It's thanks to the wonder of IVF that we have been able to achieve our dream.