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General remarks on twin origination

  • Ernst Franzek
  • Helmut Beckmann

Abstract

The introduction of the twin method in clinical genetics is most often traced back to Galton (1876). According to Vogel and Motulsky, however, Galton did not correctly recognize the essential aspect of the method - namely the existence of two different twin types. Dareste, however, had already reported on the distinction between monozygotic and dizygotic twins in 1874 to the Société d’Antropologie (Vogel and Motulsky 1986).

Keywords

Monozygotic Twin Dizygotic Twin Early Embryonic Stage Morula Stage Twin Birth 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Wien 1999

Authors and Affiliations

  • Ernst Franzek
    • 1
  • Helmut Beckmann
    • 1
  1. 1.Psychiatrische Klinik und PoliklinikUniversitäts-NervenklinikWürzburgGermany

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