A final scientific review has given a green light for British doctors to carry out mitochondrial replacement, which creates babies with DNA from three people in order to avoid genetic disease.
一项最终科学审查为英国医生进行线粒体置换开了绿灯，线粒体置换会诞生拥有3个人的DNA的婴儿，目的是避免基因疾病。
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