If you follow the mitochondrial DNA backwards, it will take you to a certain place-to an Ursula or Tara or whatever.

如果你顺着一段线粒体DNA往上推移，它可能把你带到某个地方——乌尔苏拉、杰斯敏，或别的任何人。

A study in 2008 compared the mitochondrial DNA from both modern and fossil tuatara bones.

2008 年的一项研究比较了现代和化石喙头蜥骨骼的线粒体 DNA。

Mutations in over 75 genes – in both nuclear and mitochondrial DNA – can lead to this syndrome.

超过 75 个基因（包括核 DNA 和线粒体 DNA）的突变可导致该综合征。

All this means that the random selection of your mother's mitochondrial DNA you inherit at birth can change throughout your life and throughout your body.

所有这一切意味着，你在出生时从母亲那随机继承的线粒体 DNA 会在你的一生中在你身上发生改变。