It could also be caused by genetic differences between M. tuberculosis populations in different parts of the world, she adds.

她还说，这也可能是由于世界不同地方的结核分枝杆菌种群的遗传差异造成的。

youdao

"This data predates any other genetic data on dogs in the New World by 7800 years," says team member Cecil Lewis Jr., a geneticist at the University of Oklahoma.

“这一数据比任何关于美洲犬的数据早7800年，”研究组成员、俄克拉何马州大学的遗传学家小瑟西尔·刘易斯说。

youdao

America's Centres for Disease Control (CDC) also restricts access to some of the genetic data that it has analysed from various parts of the world.

美国疾病控制与预防中心(CDC)也对某些基因数据加以限制，这些数据是由全球不同地区分析得到的。

youdao

In two thousand, then-President Bill Clinton told the world that international and private groups had identified the genetic structure of a human being.

VOA: special.2010.07.20

In the movie he travels around the world documenting the genetic information of small sea creatures.

VOA: special.2009.03.25

Today,we will tell about a genetic map of one of the world's major food crops.

VOA: special.2009.11.03

But this speed limit may be breached as the brave new world of genetic engineering is brought into play.

FORBES: What's The Human Speed Limit?

Again, there will be experts on hand to tell the leaders about rising resistance to antibiotics, about the way a hyperconnected world can quickly spread pandemics, or about concerns about how it is foolhardy to be complacent in a world where genetic mutation often outpaces human innovation.

BBC: Davos 2013: 'Dynamic resilience' in a volatile world

Traditionalists worry about unintended pollution of the world's purest genetic stock of maize.

ECONOMIST: A national nervous breakdown over maize