当然，如果是混日子的做法，那就只能做个拷贝者。
Of course, if be the practice of dawdle, that can do a person that copy only.
大多数只有一个基因拷贝的人——“携带者”——能够存活下来并将基因传给后代。
Most people with only one copy of the gene—"carriers"—survive and pass the gene to offspring.
此外，创始者突变的单一拷贝通常赋予携带者生存优势。
Furthermore, the single copy of a founder mutation often confers a survival advantage on carriers.
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