xenogenesis

n. birth of offspring entirely different from both its parents (Biology)

The Xenogenesis trilogy (currently published as the one volume novel, Lilith's Brood, which was released in 2000) was written by Octavia Butler. The three volumes of this science fiction series were previously collected in the now out of print volume, Xenogenesis.
See more at Wikipedia.org...

Noun
1. the alternation of two or more different forms in the life cycle of a plant or animal
(synonym) alternation of generations, heterogenesis
(hypernym) organic phenomenon
(hyponym) metagenesis, digenesis

n. xenogenesis, birth of offspring entirely different from both its parents (Biology)

(n.)
The fancied production of an organism of one kind by an organism of another.
  

(n.)
Same as Heterogenesis.