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来源:雅诚德英语网
This apparent anomaly is partially explained by the fact that most founder mutations are recessive: only a person with copies of the affected gene from both parents becomes ill.
大多数明显的创始人突变都是隐性的,可以解释这种明显的异常现象:只有双亲都拥有受影响基因副本的人才会生病。