Well, height is truly an amazing trait because it's super polygenic.

嗯，身高确实是一个惊人特征，因为它是超级因。

And both females and males contain X-chromosomes, which carry more genes.

女性和男性都有X染色体，这个染色体会携带更因。

Arboretum researchers collect as much genetic diversity as possible to cope with emerging threats.

植物园研究人员收集了尽可能因样性，以应对新出现威胁。

But research centers would simply not have enough capacity to keep a large and diverse population of Torreya trees.

但是研究中心没有能力保护数量，因样化香榧树。

And we're lucky now that there are so many of these targeted treatments that are sort of gene associated.

现在很幸运是，我们已经有这么与因相关靶向治疗方案。

There's lots more on the social and political aspects of GMOs in Crash Course Geography.

在地理速成班中有更关于转因生物社会和政治方面。

And the larger population that remained in Africa meant more genomes churning out variety, generation upon generation.

而留在非洲更人口意味着更因组，一代又一代地生产出各种各样因。

Today we have more power to mold that future, down to the genetic level, than we've ever had before.

如今我们比过去有更能力在因层面塑造那个未来。

Third, unique human expression patterns were more common in the prefrontal cortex than in the cerebellum.

发现三，人类特有因表达出现与前额叶皮层，而不是小脑。

Maybe they have more of the thrifty gene than other ethnic groups.

也许他们比其他族群拥有更节俭因。

I maybe got overendowed with the empathy gene.

我可能被赋予了过同理心因。

And what they did was they wanted to understand how much do genes matter?

他们所做是想了解因有重要？

South Koreans today are more than an inch taller than North Koreans, despite minimal genetic differences.

今天韩国人比朝鲜人高一英寸，尽管因差异很小。

More important, compared with Europeans and Americans, Africans have much better genomes for research, again because of their ancestral age.

更重要是，和欧洲人、美洲人相比，非洲人有更可研究因，这又是因为他们祖先处在更早年代。

Elephants have more genes devoted to smell than any other creature, making them the best sniffers in the animal kingdom.

大象拥有比其他任何生物都嗅觉因，这使它们成为动物王国中最好嗅探器。

Penelope Boston plans to do more genetic tests on the microbes, which she revived both in the laboratory and in the Mexican caves.

波士顿计划对实验室里和墨西哥洞穴中复活过微生物进行更因检测。

Knowing more of them " helps us to understand each person's cancer more precisely, " which can help guide treatment, Nik-Zainal said.

尼克-扎伊纳尔说，了解更这类因“有助于我们更准确地了解每个人癌症”，这有助于指导治疗。

But after many replications, the telomeres get trimmed so short that the cells can't afford to lose any more DNA and they stop replicating.

但在次分裂细胞中，端粒体已被严重消耗，当无法承受更因信息损失时，细胞会选择停止分裂。

A male with brighter feathers and stronger dance moves can communicate how healthy and strong his genes are to any female who's watching.

一只羽毛更亮、舞蹈动作更强雄性可以向任何观看雌性传达它因有健康和强壮。

The supporters of polygenesis held that the human genus was divided into different species—as many as fifteen of them—which gave rise to different races.

因支持者认为，人类属分为不同物种——达 15 个——这产生了不同种族。