Thomas bouchards homosexual twins
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12 Aug Jim Lewis and Jim Springer were identical twins raised apart from the age of 4 weeks. Genes can help explain why someone is gay or straight, religious or led by Thomas Bouchard, launched the landmark study in
4 Mar In , Thomas Bouchard conducted what is perhaps the most fascinating “ The twins,” Bouchard later wrote, “were found to have married.
Genes, Environment, or Both?
Featured in Health
Description:Studies of identical and fraternal twins have long been used to untangle the influences of genes and the environment on particular traits. Identical twins share all of their genes, while fraternal twins only share 50 percent. If a trait is more common among identical twins than fraternal twins, it suggests genetic factors are partly responsible. He estimates that twins research is currently being conducted in more than countries, and that most of those projects draw upon information contained in large databases such as the TwinsUK Registry. While it may be a while before we see results from the astronaut twins, researchers are hopeful that the opportunity will yield some unique insights into human health. Here are some examples of what we've learned from past twins studies—both famous and infamous: