polyteny

例句：

1. 1. The plant is a polyploid, meaning it has multiple sets of chromosomes.
   这种植物是多倍体的，意味着它有多个染色体组。
2. 2.Polyploidy is a natural process that occurs in many plants and animals.
   多倍体是一种自然过程，许多植物和动物都会经历这个过程。
3. 3. In some species, polyploidy can lead to increased fertility and better adaptation to changing environments.
   在某些物种中，多倍体可以导致更高的繁殖能力和更好的适应环境变化的能力。