General remarks on twin origination
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).
KeywordsMonozygotic Twin Dizygotic Twin Early Embryonic Stage Morula Stage Twin Birth
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