Noun:

1. the condition of being polyploid

polypodadj.多足的polypn.水螅虫；鼻肉；息肉polypoid adenomatosis息肉状腺瘤病polypous endocarditis[医] 息肉性心内膜炎polyphase transformer多相变压器polyphosphate granule多(聚)磷酸粒polyphasedeformations多期构造变形polyprenyl phosphates聚戊烯基磷酸酯Polyphase deformation多期构造变形polyphase equilibrium多相平衡Polyporus sublignosusn.近木质多孔菌polypeptide copolymer聚肽

1. Polyploidy is observed in many species of both plants and animals.
   在植物和动物中都观察到许多物种的多倍性。
2. Hybrid sterility is sometimes overcome by polyploidy.
   有时可用多倍性来克服杂种不育性。