zygogenetichttp://www.oed.com/dictionary/zygogenetic_adj%3Ftab%3Dmeaning_and_usezygogenetic, adj.
First published 1986; not fully revised

zygogeneticadjective

  1. 1950–
    1. 1950
      In other parthenogenetic animals both parthenogenetic and zygogenetic reproduction are present.
      Adv. Genetics vol. 3 198
    2. 1978
      Artemia hemoglobins: genetic variation in parthenogenetic and zygogenetic populations.
      Biological Bulletin vol. 155 273 (heading)

Originally published as part of the entry for zygo-, comb. form

zygo-, comb. form was first published in 1921; not fully revised.