Asexual reproduction is not uncommon in the plant kingdom, but in the animal kingdom it is the "creature" of genetic engineering technology. The sheep Dolly was the first successfully cloned animal in the world.
無性生殖在植物界相當普遍，但動物的無性生殖卻是基因工程技術的「創舉」，名聞遐邇的複製羊桃麗便是歷史上第一隻複製成功的動物。