Most of those genetic changes returned to normal.

这些遗传变化中的大多数都恢复到了正常状态。

But genetic changes do not explain the full picture, he said.

但他说，基因变化并不能解释全部情况。

And scientists have not found any major genetic changes in the virus.

科学家们还没有在该病毒中发现任何重大的基因变化。

The genetic changes that cause cancer usually happen in three types of genes.

导致癌症的基因改变通常发生在三种类型的基因中。

Several other species have undergone similar climate-change-adaptive genetic changes in recent decades.

其他的一些物种在最近几十年也经历了类似的适应气候变化的变异。

But over several generations, genetic change can help some populations evolve into city slickers.

不过数代的基因变异能帮助一些物种适应城市的环境。

A genetic change might reduce the compound in the grass that is hard to digest.

基因的改变可能会减少草中难以消化的化合物。

Stressful situations-changes in climate, temperature or predators, for example-are particularly good at eliciting genetic change.

压力环境改变气候、温度，例如食肉动物尤其容易诱发基因变化。

But over several generations, genetic change can help some populations evolve into city

变异能帮助一些物种适应城市的环境。

But when a genetic change disrupts this process cells begin to grow and divide uncontrollably thereby becoming cancer.

但是当基因改变打乱这个进程时，细胞就开始不受控制地生长和分裂，从而形成癌症。

The variant is also known as B.1.351 and shares some genetic changes similar to the one in Britain.

该变体别名为B。1。351，其部分基因变化与英国的变体相似。

These genetic changes are estimated to have evolved over the last 3,000 years or so, and are ongoing.

这些遗传性变化估计从三千年前开始，并且仍在进化。

And if you had this genetic change, it could actually increase your height by up to two centimetres.

如果你有这种基因变化，它实际上可以让你的身高增加两厘米。

Some of these genetic changes are links directly to resistance while others make the parasites more accessible to it.

其中一些基因突变直接与抗药性有关，其他突变使得寄生虫更容易出现抗性。

Living things evolve by accumulating genetic changes, which are then weeded out or preserved through a process of natural selection.

生物通过累积基因变异而实现进化，之后在自然选择过程中被淘汰或保留。

New research has shown that genetic changes in pathogens affect people and animals around the world in just a few years.

新的研究表明，在短短几年内，病原体的基因变化会影响全球的人类和动物。

Researchers in the United States used GISAID data to follow genetic changes, or mutations, in the " spike" of the new coronavirus.

美国的研究员用GISAID的数据来跟踪新冠病毒" 刺突" 的基因变化或突变。

This means that the entire contacted area or field undergoes genetic changes and is more likely to develop cancer in the future.

这意味着整个被致癌物质接触到的区域或范围都会经历基因改变，且这些接触区域在将来更容易发生癌症。

The research suggests these genetic changes probably spread from a pig farm in China.

研究表明，这些基因变化可能是从中国的一个养猪场传播的。

But we were able to find evidence for correlations between genetic and cellular changes.

但我们能够找到遗传和细胞变化之间相关性的证据。