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MTFS is a twin study established in June 1989 with 1300 same-gendered twin pairs age 11 or 17, with an additional cohort of 500 such pairs recruited around 2004. Twins were born between 1972 and 2000. [1] All twins born in Minnesota at that time were eligible to participate using birth registry data.
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.
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).
A pair of identical twins who grew up in separate countries have somehow developed similar personality traits but significantly different IQ levels, a recent study has found. In the study ...
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]
Image credits: MontEcola #5. My wife is an identical twin. When we first started dating I could tell them apart from their voices, smell, makeup, and eyes.
After identical twin sisters from Delaware married identical twin brothers from Tennessee, the children they are raising together share in a rare biological phenomenon. When identical twin sisters ...
Identical Strangers: A Memoir of Twins Separated and Reunited is a 2007 memoir written by identical twins Elyse Schein and Paula Bernstein and published by Random House. [1] The authors, born in New York City in 1968 to Leda Witt, daughter of Nathan Witt, were separated as infants, in part, to participate in a "nature versus nurture" twin study ...