接せつ合ごう前ぜん

noun which may take the genitive case particle 'no'

prezygotic

Technical term in biology referring to the stage before the fusion of gametes. Used attributively with の.

• 接せつ合ごう前ぜんの生せい殖しょく隔かく離りは、種しゅの分ぶん化かに重じゅう要ような役やく割わりを果はたす。

  Prezygotic reproductive isolation plays an important role in speciation.