They can pass on the gene to their children and have no symptoms of disease themselves, and the single copy of the founder mutation gives the carrier an advantage in the struggle for survival.

• 携带者能将突变基因遗传给他们的孩子，本人却不会表现出任何疾病症状，但是这一个创始者突变基因，却可以让他们在遇到困境时拥有生存优势。