In the past few years, the CRISPR–Cas technology has been developed to precisely edit genomic DNA; so far, these approaches have been used mainly in cultured cells or in animal embryo models, but only a few studies have reported their use in human embryos. Ma

中文翻译：

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生物技术：CRISPR–Cas变得更加人性化

在过去的几年中，已经开发了CRISPR–Cas技术来精确编辑基因组DNA。迄今为止，这些方法主要用于培养细胞或动物胚胎模型中，但只有少数研究报道了它们在人类胚胎中的用途。嘛