As more and more large-scale human genome sequencing projects get completed, scientists have been able to trace with increasing confidence both the geographical movements and underlying genetic variation of human populations.

中文翻译：

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基因组学研究揭示了丰富的西班牙裔前史和墨西哥各土著人口中的遗传变化。

随着越来越多的大规模人类基因组测序项目的完成，科学家已经能够以越来越高的信心追踪人口的地理运动和潜在的遗传变异。