See, domestication leaves its fingerprints in an animal's genome.

看吧，驯养在动物的基因上也留下了足迹。

Mutations can change the length of any animal's genome.

突变可以改变任何动物基因组的长度。

We probably read more than half of the prior animal genomes in the world.

我们可能阅读了世界上超过一半的现有动物基因组。

To find out how hibernators are able to do this, researchers turned their attention to those animal’s genomes.

为了找出冬眠动物是如何做到这一点的，研究人员将注意力转向了这些动物的基因组。