Among the most popular: paternity and kinship testing , which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption.

最受欢迎的 DNA 测试是父子和血检测，被收养的孩子可以利用它找到自己的血，家庭也可以用它追踪到被收养的孩子。

A typical village had around 250-300 inhabitants, most of them related by blood or marriage.

一个典型的村庄大约有 250-300 名居民，他们中的大多数人都有血或婚姻。

Researchers from the University of California have analyzed gene variation in around 2000 people, comparing pairs of unrelated friends with pairs of unrelated strangers.

加利福尼亚大学研究人员分析了2000人左右的基因变异，同时，将没有血的朋友和没有血的陌生人比较。

This way, the surrogate wouldn't be some impersonal incubator. There'd be a family tie.

这样的话，代育的就不会是那些毫无情的育婴者了。是有血的。

'But I would be surprised if he's related to Bruce through blood.

但如果他和布鲁斯有血，我会很惊讶的。

Not that I think all black people are related.

并不是说我认为所有黑人都有血。

They put more emphasis on blood ties than any other group.

他们比其他族群更重视血。

But no, me and Bebe aren't related.

但不是的，Bebe 和我没有血。

So imagine their surprise when they discovered they were in fact biological brothers.

所以，你可以想象，他们发现彼此是有血的兄弟时有多惊讶。

It would be just like Greg, and then Greg and I really are more related.

就像格雷格一样，然后我和格雷格才是真的有血的。

He had never thought of it before, taking for granted the tie of their blood.

这一点他以前从未想到过，而是把他们的血当作理所当然的。

Your mother's sacrifice made the bond of blood the strongest shield I could give you.'

你母的牺牲使得血的纽带成为我能够给你的最强大的保护屏。”

By sending a saliva sample — and a fee, of course — anyone can receive a report containing information such as where their ancestors were from and who they are related to.

任何人只需发送唾液样本——当然也需要付费——就能收到一份报告，其中包含他们祖先来自哪里以及他们与谁有血等信息。

Well, she's 6 and related to me.

她只有六岁而且跟我有血。

I'm not worried, Edie. Martha and I have a very intense bond.

我不担心，Edie。Martha和我有浓浓的血。

While it's virtually absent in even closely related lowland neighbors.

但那些居住在低地的、甚至与高地居民有密切血的邻居却几乎没有。

Inspired by the Italian side of the family, Peter developed a passion for cooking.

受意大利血影响 皮特热爱烹饪。

Someone that's related to you is your own flesh and blood.

和你有血的人就是你的骨肉人。

We don't usually use this to talk about people who aren't related.

我们通常不用这个来描述没有血的人。

What is it with my family and blood?

我的家庭和血到底是什麽样的?