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heterogenesis

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heterogenesis


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Heterogenesis  \Het`er*o*gen"e*sis\,  n.  [Hetero-  +  genesis.] 
  1.  (Biol.)  Spontaneous  generation,  so  called 
 
  2.  (Biol.)  That  method  of  reproduction  in  which  the 
  successive  generations  differ  from  each  other  the  parent 
  organism  producing  offspring  different  in  habit  and 
  structure  from  itself  the  original  form  however, 
  reappearing  after  one  or  more  generations;  --  opposed  to 
  {homogenesis},  or  {gamogenesis}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  heterogenesis 
  n  :  the  alternation  of  two  or  more  different  forms  in  the  life 
  cycle  of  a  plant  or  animal  [syn:  {alternation  of 
  generations},  {xenogenesis}] 




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