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parthenogenesismore about parthenogenesis

parthenogenesis

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Parthenogenesis  \Par`the*no*gen"e*sis\,  n.  [Gr.  parqe`nos  a 
  virgin  +  E.  genesis.] 
  1.  (Biol.)  The  production  of  new  individuals  from  virgin 
  females  by  means  of  ova  which  have  the  power  of  developing 
  without  the  intervention  of  the  male  element;  the 
  production,  without  fertilization,  of  cells  capable  of 
  germination.  It  is  one  of  the  phenomena  of  alternate 
  generation.  Cf  {Heterogamy},  and  {Metagenesis}. 
 
  2.  (Bot.)  The  production  of  seed  without  fertilization, 
  believed  to  occur  through  the  nonsexual  formation  of  an 
  embryo  extraneous  to  the  embrionic  vesicle. 
 
  From  WordNet  r  1.6  [wn]: 
 
  parthenogenesis 
  n  1:  process  in  which  an  unfertilized  egg  develops  into  a  new 
  individual;  common  among  insects  and  some  other 
  arthropods  [syn:  {parthenogeny}] 
  2:  human  conception  without  fertilization  by  a  man  [syn:  {parthenogeny}, 
  {virgin  birth}]




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