(异系配合)：亲缘关系较远的生物体产生的配子相互融合。
Exogamy The fusion of gametes produced by organisms that are not closely related.
同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。
Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite. Compare heterothallism.
同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。
Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite. Compare heterothallism.
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