Gene editing takes out a part of DNA to remove, replace or repair a gene.

基因编辑是从DNA中取出一部分来移除、替换或修复某个基因。

You'd end up with a perpetual motion machine for gene editing.

我们就得到了永动的基因修改工具。

Can you explain to us what gene editing is?

你可以为我们解释一下什么是基因编辑吗？

And there are concerns about the consequences of gene editing.

对于基因编辑的后果也存在担忧。

The seconnd technique is a newer gene editing technology called CRISPR-Cas9.

第二种技术是一种被称为 CRISPR-Cas9 的较新的基因编辑技术。

He said gene editing could provide a way to improve on those treatments.

他表示，基因编辑可以提供改善这些治疗的方法。

Hundreds of scientists have gathered in Washington for an international summit on gene editing.

数百名科学家齐聚华盛顿，参加人类基因编辑峰会。

This kind of gene editing is banned in the United States and many other countries.

这种基因编辑在美国等其它很多国家都被禁止。

" It makes for a good first step for doing gene editing in the body."

这是在体内进行基因编辑的良好开端”。

This is proof that we can safely do gene editing of these cells.

这证明我们能安全地对这些细胞进行基因编辑。"

About one-third of Americans think gene editing will be used before it is fully tested.

大约三分之一的美国人认为，基因编辑会在完全测试前应用。

With gene editing, targeted changes are made like deletions and insertions right in an organism's genome.

通过基因编辑，可以在生物的基因组上做出删除、插入等特定的改变。

Two scientists have won this year's Nobel Prize in Chemistry for their discovery on gene editing.

两位科学家因在“基因编辑”方面的发现而荣获今年的诺贝尔化学奖。

Think of gene editing as a molecular sat nav. It scans the DNA searching for the error.

基因编辑就像分子内的卫星导航。它可以检测DNA中的错误基因。

However, Keener said he would support gene editing in embryos to prevent diseases that have no cure.

然而，基纳表示，他支持编辑胚胎基因来预防那些无法治愈的疾病。

They made two small changes to one of the genes using a technique known as gene editing.

他们用基因编辑术对其中一种基因做了两个小改动。

But before that, he helped bring biologists, lawyers and physicians together to debate new gene editing technology.

但在此之前，他协同召集了一群生物学家、律师和医生，一起讨论新的基因编辑技术。

He and many other scientists think gene editing may one day provide a long-lasting answer for gene therapy.

他和其他许多科学家认为，基因编辑可能有一天会为基因治疗提供一个持久的答案。

The gene editing tool stays in the eye and does not travel to other parts of the body.

基因编辑工具留在眼睛里，不会移动到身体其他部位。

The doctors say one form of gene editing appeared to be safe when tested in three patients.

医生表示，在三名患者身上进行测试后，似乎能证明一种基因编辑是安全的。