- Anyofthecellsresultingfromthecleavageofafertilizedovumduringearlyembryonicdevelopment.Derivedfromasinglefertilizedovumorembryoniccellmass.Usedespeciallyofidenticaltwins.twinsdevelopedfromthesamefertilizedovum(havingthesamegeneticmaterial).Oforrelatin...
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