In a parthenogenetic population, on the other hand, individuals can only reproduce using their own genetic material.

另一方面，在孤雌生殖的群体中，个体只能利用自身的遗传物质进行繁殖。

But scientists have observed an accumulation of harmful mutations in parthenogenetic stick insects that are absent in their sexual relatives.

但科学家们已经发现，一种孤雌生殖的粘虫在缺乏性伴侣时积累起有害的变异。