" With such small population sizes, we were expecting much higher inbreeding, " he said.

" 如此小的种群规模下，我们还以为近亲繁殖水平会高得多。"

So, we've documented close inbreeding, fathers breeding with daughters, granddaughters and even great-granddaughters.

此，我们记录了近亲繁殖，父亲与女儿、孙女甚至曾孙女进行繁殖。

Inbreeding is when animals are born from closely related parents.

近亲交配是指动物的父母是关系密切的近亲。

And with inbreeding that jeopardizes their long-term survival in the wild.

近亲繁殖不利于它们的长期生存。

Inbreeding is when a young animal is born from closely related parents.

近亲交配是指幼仔由亲缘关系密切的父母繁殖而来。

For example, they keep a genetic bank to stop inbreeding at hatcheries.

例如，他们建立了一个基库来防止孵化场里的鲑鱼出现近亲繁殖。

But all 2,000 horses all living today are again at risk of inbreeding.

但是现存的 2，000 匹马再次面临近亲繁殖的危机。

Like gorillas and orangutans today, they lived in small, dispersed pockets, which means more inbreeding and less genetic diversity.

如今的大猩猩和猩猩，他们生活分散的小口袋里，这意味着更多的近亲繁殖和更少的遗传多样性。

But without genetic diversity, you can get health and behavior issues related to inbreeding.

但如果没有遗传多样性，就会产生与近亲繁殖有关的健康和行为问题。

Balto's genome showed lower rates of inbreeding than almost all modern dog breeds.

巴尔托的基组显示出比几乎所有现代犬种更低的近亲繁殖率。

But inbreeding was a big problem on the island and the population is dying out.

但这个岛上，近亲结婚是个大问题，人口也正衰减。

But the number one problem with inbreeding is that a possibility of creating mutations exist.

不过近亲繁殖的最大问题是由此带来的突变的可能。

We're not talking banjo-playing, King-of-Spain, Cersei-Jamie inbreeding, but every family tree inevitably grows forks.

我们不是说演奏班卓琴的西班牙之王瑟曦杰米近亲繁殖，但每棵家族树都不可避免地长出分支。

It was whispered in Vienna that the heir was clinically insane, that his family's inbreeding had caught up with him.

维也纳有传言说，这位继承人被诊断为精神失常，他的家族近亲结婚害了他。

Marriage between cousins is common in Pakistan, and such inbreeding leads to a high incidence of genetic disorders.

近亲结婚巴基斯坦很遍，而这种近亲交配引发遗传性疾病的发病率很高。

Eventually its worst sufferer was Don Carlos, the couple's deformed and mentally delusional great-grandchild, in whom ancestral inbreedings echoed.

最终，这对夫妇结合的最大受害者是唐·卡洛斯，他是他们的曾孙，患有畸形以及精神妄想症，祖辈的近亲繁殖回响他身上。

Number two, you start to see really bad inbreeding.

第二， 你开始看到非常糟糕的近亲繁殖。

That's when we started having problems of inbreeding depression that can kill the local population in a very short term.

从那时起开始出现近亲繁殖衰退的问题，这可能会很短的时间内使当地的种群灭绝。

Their CLAWS lab has helped document the poaching, habitat loss, and inbreeding that are hurting wild tiger populations in Asia.

他们的CLAWS实验室帮助记录了偷猎、栖息地丧失和近亲繁殖对亚洲生老虎种群的危害。

With that in mind, how does inbreeding bode for humans?

考虑到这一点， 近亲繁殖对人类来说意味着什么？