the first generations of inbreeding

例句：

1. 1.The practice of inbreeding can lead to genetic disorders.
   近亲繁殖可能导致遗传性疾病。
2. 2. Inbreeding is a common issue in many animal species.
   许多动物物种中都存在近亲繁殖的问题。
3. 3.Researchers are studying the effects of inbreeding on crop yields.
   研究人员正在研究近亲繁殖对农作物产量的影响。