anisogamy

名词 anisogamy:

1. (biology) reproduction by the union or fusion of two differing gametes (especially differing in size)

an.i.sog.a.my

n.（名词）
A union between two gametes that differ in size or form.
异性配子结合：大小或形状不同的两个配子的结合

【引伸】
an.isogam.ic