遗传隔离 genetic isolation 指由于个体基因组成上的差异，不能产生后代，导致产生生殖隔离而言。
当生物学家说人和黑猩猩是由共同祖先进化来的时，他们的意思是，自从二者分野后，这两个隔离的种群都发生了延续性的可遗传变化。
When biologists say that humans and chimps have evolved from a common ancestor they mean that there have been successive heritable changes in the two separated populations since they became isolate.
这对于理解遗传变异性的空间变异、理解岛屿种群和其它隔离种群的保护问题有重要启示。
This has implications for our understanding of spatial variation in genetic variability and for problems of conservation on islands and in other isolated populations.
选择患者亲属做对照、基因组对照和选择遗传背景较为一致的隔离人群都可以减少混杂。
It could be reduced by selecting relatives of affected patients as control, genome control and by using isolated populations which have higher homogeneity in genetic background.
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