It means that when we look at people and see a person from Africa and a person from Europe or Asia, we cannot, for a single position in the genome with 100 percent accuracy, predict what the person would carry.
这意味着我们看到 一个来自非洲的人 和一个来自欧洲或亚洲的人 从单个序列位置来看 我们无法 100%准确判断这个人携带的基因组的序列