hyperploidy

例句：

1. 1. The plant is a hyperploid, meaning it has more chromosomes than the average plant.
   这种植物是超多倍体，意味着它的染色体数量比平均植物多。
2. 2. Hyperploidy is often associated with increased fertility and better crop yields.
   超多倍体通常与增加的生育能力和更好的作物产量有关。
3. 3. In some species, hyperploidy can lead to mutations that enhance survival in harsh environments.
   在某些物种中，超多倍体可能导致突变，这些突变有助于在恶劣环境中的生存。