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  2. Twin study - Wikipedia

    en.wikipedia.org/wiki/Twin_study

    The power of twin designs arises from the fact that twins may be either identical (monozygotic (MZ), i.e. developing from a single fertilized egg and therefore sharing all of their polymorphic alleles) or fraternal (dizygotic (DZ), i.e. developing from two fertilized eggs and therefore sharing on average 50% of their alleles, the same level of genetic similarity found in non-twin siblings).

  3. Minnesota Center for Twin and Family Research - Wikipedia

    en.wikipedia.org/wiki/Minnesota_Center_for_Twin...

    In 1979, Thomas J. Bouchard began to study twins who were separated at birth and reared in different families. He found that an identical twin reared away from his or her co-twin seems to have about an equal chance of being similar to the co-twin in terms of personality, interests, and attitudes as one who has been reared with his or her co ...

  4. Causes of gender incongruence - Wikipedia

    en.wikipedia.org/wiki/Causes_of_gender_incongruence

    In 2013, a twin study combined a survey of pairs of twins where one or both had undergone, or had plans and medical approval to undergo, gender transition, with a literature review of published reports of transgender twins. The study found that one third of identical twin pairs in the sample were both transgender: 13 of 39 (33%) monozygotic or ...

  5. Is a vegan diet really healthier than eating meat? Rare ... - AOL

    www.aol.com/news/vegan-diet-really-healthier...

    The new research, published Nov. 30 in the Journal of the American Medical Association (JAMA), tracked 22 pairs of identical twins for eight weeks as one twin from each pair ate a vegan diet while ...

  6. The study, published Thursday in the journal JAMA Network Open, involved 22 pairs of identical twins. In each pair, one twin was assigned a vegan diet, while the other was assigned an omnivore diet .

  7. Three Identical Strangers - Wikipedia

    en.wikipedia.org/wiki/Three_Identical_Strangers

    The study was subsequently the subject of Identical Strangers, a 2007 memoir by separated identical twins Elyse Schein and Paula Bernstein [11] (who appear in the film), as well as the 2017 documentary The Twinning Reaction [12] and a 2018 episode of the American TV news program 20/20 titled "Secret Siblings". [13]

  8. Category:Twin studies - Wikipedia

    en.wikipedia.org/wiki/Category:Twin_studies

    Twin studies are studies conducted on identical or fraternal twins. ... The Turner Twins; Twin Research and Human Genetics;

  9. Thomas J. Bouchard Jr. - Wikipedia

    en.wikipedia.org/wiki/Thomas_J._Bouchard_Jr.

    Thomas J. Bouchard Jr. (born October 3, 1937) is an American psychologist known for his behavioral genetics studies of twins raised apart. He is professor emeritus of psychology and director of the Minnesota Center for Twin and Adoption Research at the University of Minnesota.