The Collaborative International Dictionary of English v.0.48:

Homogenesis \Ho`mo*gen"e*sis\, n. [Homo- + genesis.] (Biol.)
   That method of reproduction in which the successive
   generations are alike, the offspring, either animal or plant,
   running through the same cycle of existence as the parent;
   gamogenesis; -- opposed to heterogenesis.
   [1913 Webster]