female heterogametism

例句：

1. 1. Female heterogametic individuals are rare in nature.
   在自然界中，雌性异交个体非常罕见。
2. 2. The study of female heterogameticindividuals has important implications for understanding genetic diversity.
   研究雌性异交个体对于理解遗传多样性具有重要意义。
3. 3. In some species, females maybe heterogametic due to the needfor cross-pollination.
   在一些物种中，由于需要杂交，雌性可能是异交的。