secondary polyploidy

• 次级多倍性

secondary polyploidy的用法和样例：

例句

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。