英语语法分析

Eventually the subpopulations become so genetically distinct that they cannot interbreed even if the physical barriers between them were removed.

最终，这些亚种群在基因上变得如此不同，以至于即使消除了它们之间的物理障碍，它们也无法杂交。

High rates of straying can be problematic because misdirected fish may interbreed with the existing stock to such a degree that any local adaptations that are present become diluted.

高偏离率可能是一个问题，因为被误导的鱼可能会与现有种群杂交，而这种杂交的程度会稀释现有的任何当地适应能力。

These species do not interbreed.

这些物种不能杂交。