The first successful “gene editing” of human embryos to prevent transmission of inherited disease, announced this week, is a landmark in biotechnology. Humanity has gained the power to engineer its own evolution by making genetic changes that will be passed down through future generations.
首例为了防止遗传疾病传播而对人类胚胎进行“基因编辑”的成功实验在本周宣布，这是生物技术领域的一块里程碑。人类获得了设计自身进化的力量——通过将会传给子孙后代的基因改变。
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