Why? Because there was no genetic diversity.

为什么？因为没有遗传多样性。

The collection is designed to represent the genetic diversity of the human species.

这种描述旨在展现人类物种的遗传多样性。

The first phase that we did was to safeguard the genetic diversity that we have.

我们所做的第一个阶段是保护我们拥有的遗传多样性。

We didn't know about them, you know; they add this genetic diversity, you know.

我们之前不知道它们。它们的存在增添了基因多样性。

Dussex added that the findings suggest there may still be time to save the genetic diversity of the animal.

杜塞克斯补充说，这些发现表明，我们可能还有时间来保护这个物种的遗传多样性。

But thousands have already been lost, which is why it's so critical to preserve the genetic diversity we still have.

但成千上万的物种已经消失，这就是为什么保护我们仍然拥有的基因多样性如此重要。

Or they could perhaps help provide the genetic diversity needed to restock the wild.

或者它们或许可以帮助提供恢复野生动物所需的遗传多样性。

There's more genetic diversity within what we call racial groups than there is between racial groups.

我们所说的种族群体内部的遗传多样性比种族群体之间的遗传多样性要多。

But the wild plants have a genetic diversity that growers use to improve the cultivated crop -- which does not react well to climate change.

但是野生植物具有遗传多样性， 种植者可以用来改良栽培作物——这对气候变化反应不佳。

It's a hopeful story, in the sense of " We found this new group of bears." We didn't know about them, you know; they add this genetic diversity.

莱德尔：从“我们找到了这群新熊”的意义上来说，这是一个充满希望的故事。我们不知道他们，你知道；他们增加了这种遗传多样性。

She said, " Over the years, you're going to see a sharp decline in their population because we just don't have the genetic diversity. We don't have the male-to-female ratio needed in order to be able to have successful breeding sessions."

“多年来，你会看到它们的数量急剧减少，因为我们没有基因多样性。我们没有成功繁殖所需的雄性与雌性比例。