heterogenesis

noun Biology.

1. Also het·er·og·e·ny [het-uh–roj–uh-nee] /ˌhɛt əˈrɒdʒ ə ni/. alternation of generations, especially the alternation of parthenogenetic and sexual generations.
2. abiogenesis.

noun

1. another name for alternation of generations, abiogenesis

n.

1. The production of offspring unlike the parents.