美国有线新闻 CNN 世界首例基因编辑婴儿在中国出生 国内外科学家纷纷谴责
时间：2019-02-03 作者：英语课 分类：CNN美国有线新闻2018年12月
CARL AZUZ, CNN 10 ANCHOR: A passionate 1 debate is taking place worldwide over claims that genetically 4 edited human children were recently born in China.
I'm Carl Azuz. This is CNN 10.
Here's how the debate got started. A Chinese scientist named He Jiankui, he's an associate professor at a Chinese university, announced earlier this week that a pair of twin girls was born this month after their embryos 5 were altered to make them resistant 6 to human immunodeficiency virus or HIV.
Their parents, according to Professor He, volunteered for the experiment. The father is believed to carry HIV.
Professor He also appeared to suggest that a third genetically modified baby is possible that the pregnancy 7 is in the early stages.
How could this be done?
Professor He claims to have used CRISPR, a genetic 3 editing tool, to alter the twins' DNA 8. Researchers say CRISPR makes it possible to change a particular part of someone's genome, or delete a gene 2 altogether.
But the idea of a genetically edited child is highly controversial. For one thing, some scientists doubt this even happened. The research hasn't been independently confirmed. For another, American biologist and Nobel Prize recipient 9 David Baltimore says genetic editing is irresponsible until it's proven to be safe and effective, and it hasn't yet. Baltimore also says genetically modifying someone to be resistant to HIV isn't necessary since there are other treatments available for the disease that attacks the immune system.
A group of Chinese scientists spoke 10 out against the research, suggesting that experimenting on a human is unethically and crazy. And there are concerns about the consequences of gene editing. A scientist who helped invent CRISPR says when you change one thing, something else gets changed too, and it's not known yet what kinds of effects this could have on the Chinese twins.
For his part, the associate professor says he's proud of his alleged 11 achievement because the parents had, quote, lost hope for life, but now, the father plans to work hard and take care of his wife and two daughters.
- He is said to be the most passionate man.据说他是最有激情的人。
- He is very passionate about the project.他对那个项目非常热心。
- A single gene may have many effects.单一基因可能具有很多种效应。
- The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。
- It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
- Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
- All the bees in the colony are genetically related. 同一群体的蜜蜂都有亲缘关系。
- Genetically modified foods have already arrived on American dinner tables. 经基因改造加工过的食物已端上了美国人的餐桌。 来自英汉非文学 - 生命科学 - 基因与食物
- Somatic cells of angiosperms enter a regenerative phase and behave like embryos. 被子植物体细胞进入一个生殖阶段，而且其行为象胚。 来自辞典例句
- Evolution can explain why human embryos look like gilled fishes. 进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样。 来自辞典例句
- Many pests are resistant to the insecticide.许多害虫对这种杀虫剂有抵抗力。
- They imposed their government by force on the resistant population.他们以武力把自己的统治强加在持反抗态度的人民头上。
- Early pregnancy is often accompanied by nausea.怀孕早期常有恶心的现象。
- Smoking during pregnancy increases the risk of miscarriage.怀孕期吸烟会增加流产的危险。
- DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
- Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
- Please check that you have a valid email certificate for each recipient. 请检查是否对每个接收者都有有效的电子邮件证书。
- Colombia is the biggest U . S aid recipient in Latin America. 哥伦比亚是美国在拉丁美洲最大的援助对象。
- They sourced the spoke nuts from our company.他们的轮辐螺帽是从我们公司获得的。
- The spokes of a wheel are the bars that connect the outer ring to the centre.辐条是轮子上连接外圈与中心的条棒。