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1989年首次分离出与囊性纤维化病有关的基因，该基因常见的突变类型有△F509、G542X等10种，夫妇双方均携有可识别的囊性纤维化病基因突变者为高危者，在每次
In 1989, for the first time, the genes related to cystic fibrosis were isolated. The common mutation types of the gene were △ F509, G542X and so on. Both of them had high risk of recognizing mutations of cystic fibrosis disease, Every time