interbreed

1. 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。

2. 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。

3. These species do not interbreed.: 这些物种不能杂交。

4. Some migrated finding one another and began to interbreed.: 有些人迁移而发现另一个种族并开始混血。

5. Since the birds interbreed they cannot be classed as different species.: 由于这些鸟进行杂交繁殖，不能把它们归为不同的物种。

6. Since the birds interbreed they cannot be classed as different species .: 由于这些鸟进行杂交繁殖，不能把它们归为不同的物种。

7. It enables scientists to transfer genes between different species that would not interbreed in nature.: 它使科学家之间的转移基因的不同物种，不会杂交的性质。

8. It enables scientists to transfer genes between different species that would not interbreed in nature.: 它使科学家转移基因不会混种本质上的区别种类之间。

9. You could have two genuine species, whose members cannot interbreed, but whose genomes are very similar.: 你可能有两个纯正的物种，两者无法通婚，不过他们的基因组非常相近。

10. Next he plans to solicit landowners and communities for plots of at least five acres where the clones will be planted and, ideally, interbreed.: 下一步，他打算恳求土地所有者和社区给他一块地，至少有5英亩，以便让他种植克隆无性系；并且最好能在这块地上进行杂交实验。

11. For example, groups of baboons that usually live apart as apparently separate species sometimes aggregate and interbreed, muddying their classification.: 比如说，成群的狒狒通常分开居住，很明显被看作独居物种，但是有时他们会聚集和杂交，这样一来他们的分类就很模糊了。

12. Modified organisms may interbreed with natural organisms and out-compete them, leading to extinction of the original organism or to other unpredictable environmental effects.: 被改造过的生物体和自然生物体混配，从而更具竞争力，使原有物种走向灭绝，或给环境带来未知的影响。

13. The Melanesians took a different course. After a single interbreeding with Neanderthals, Dr. Akey found, their ancestors went on to interbreed just once with Denisovans, as well.: 美拉尼西亚人带来了一个不同的进程。阿奇博士发现，同尼安德特人的单一混种后，同样，他们的祖先也仅一次与丹尼·索瓦人进行混种。

14. The American Anthropological Association in 1998 stressed that neighboring populations interbreed and that physical traits tend to vary gradually rather than abruptly over geographic areas.: 1998年美国人类学协会为了邻近种族的杂交而生理上的特征有非常逐渐而不是突然地跨过地理区域感到很紧张。

15. The American Anthropological Association in 1998 stressed that neighboring populations interbreed and that physical traits tend to vary gradually rather than abruptly over geographic areas.: 1998年美国人类学协会为了邻近种族的杂交而生理上的特征有非常逐渐而不是突然地跨过地理区域感到很紧张。

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