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Handedness in twins according to zygosity and chorion type: A preliminary report

Behavior Genetics volume 26, pages 407–408 (1996)Cite this article

Abstract

In the course of the East Flanders Prospective Twin Survey (EFPTS), handedness was assessed as part of a genealogical study (Meulemanset al., 1995) in 1616 twins (808 twin pairs) aged 6 to 28. Our findings are that, in this large population-based study with known placentation and zygosity, the often observed higher frequency of left-handedness in twins is confirmed, that it appears to be independent of zygosity and chorion type, and that the belief that discordant handedness in monozygotic twins represents mirrorimaging is mythical.

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Authors and Affiliations

  1. Centre for Human Genetics, Katholieke Universiteit Leuven, Herestraat 49, B-3000, Belgium

    Catherine Derom, Robert Vlietinck, Ruth Loos & Robert Derom

  2. Department of Neuropsychology, University of Ghent, De Pintelaan 185, B-9000, Ghent, Belgium

    Evert Thiery

Authors
  1. Catherine Derom
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  2. Evert Thiery
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  3. Robert Vlietinck
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  4. Ruth Loos
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  5. Robert Derom
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Derom, C., Thiery, E., Vlietinck, R. et al. Handedness in twins according to zygosity and chorion type: A preliminary report. Behav Genet 26, 407–408 (1996). https://doi.org/10.1007/BF02359484

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  • DOI: https://doi.org/10.1007/BF02359484

Key Words

  • Twins
  • handedness
  • zygosity
  • chorion type
  • heritability