Sentence Examples


  • But the ovaries of worker ants are in some cases sufficiently developed for the production of eggs, which may give rise parthenogenetically to male, queen or worker offspring.
  • Petrunkevich (1901-1903), the second polar nucleus uniting with one daughter-nucleus of the first polar body gives rise to the germ-cells of the parthenogenetically-produced male.
  • The fertility of the parthenogenetically produced insects would also diminish after a certain number of generations had been produced.
  • They lay their parthenogenetically produced eggs in the angles of the veins of the leaves, in the buds, or, if the season is already far advanced, in the bark.
  • In certain cases single cells develop parthenogenetically, without fusion, each cell producing, however, only four spores.