Sentence Examples


  • The offspring of the virgin females are in most of these instances females; but among the bees and wasps parthenogenesis occurs normally and always results in the development of males, the " queen " insect laying either a fertilized or unfertilized egg at will.
  • Wagner made his classical observations on the production of larvae from unfertilized eggs developed in the precociouslyformed ovaries of a larval gall-midge (Cecidomyid), and subsequent observers have confirmed his results by studies on insects of the same family and of the related Chironomidae.
  • There are species of gall-fly in which males are unknown, the unfertilized eggs always developing into females.
  • These unfertilized eggs develop directly, often in the uterus.
  • In Dictyota the unfertilized oosphere is found to be capable of undergoing a limited number of divisions, but the body thus formed appears to atrophy sooner or later.
 

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