Unless they're monozygotic or identical twins.

除非他们是同卵双胞胎。

His brother Mark Kelly is an identical twin and a former astronaut.

他的同卵双胞胎兄弟Mark Kelly之前也是宇航员。

SACHIN BANSAL AND Binny Bansal are not identical twins, or even related, but they should be.

Sachin Bansal 和Binny Bansal 并非双胞胎，甚至没有血缘关系，但他们看上去就像亲兄弟一样。

I have found my identical hand twin. What's an identical hand twin?

我找到我的双胞手了 什么是双胞手？

And my wife is an identical twin.

我的妻子是同卵双胞胎。

My nieces are fraternal, not identical twins.

我的侄女是异卵，不是同卵双胞胎。

I don't need it anymore. I found my identical hand twin.

不要也罢 我找到我的双胞手。

In particular, if you have an identical twin who's schizophrenic, your odds are about a half of becoming schizophrenic yourself.

特别是， 如果你有一个患有精神分裂症的同卵双胞胎，那么你患精神分裂症的几率大约是你自己的一半。

So it actually wasn't exciting at first not because we didn't want three, but because they wanted us to terminate the identical twins.

所以一开始并不令人兴奋， 不是因为我们不想要三个，而是因为他们希望我们终止同卵双胞胎。

The only source of T cells that will work in a patient are your own T cells, unless you happen to have an identical twin.

在患者身上起作用的唯一T细胞来源是你自己的T细胞，除非你碰巧有一个同卵双胞胎。

So, when their genetic material – their DNA is the same, we call them identical twins, and when they grow up they often look exactly the same.

所以，当他们的遗传物质——他们的 DNA 相同时，我们称他们为同卵双胞胎， 当他们长大后， 往往长得一模一样。

But if I were to have an identical twin it would be very difficult to tell whose brain is whose even if we had no environment in common.

但是如果我有一个相同的双胞胎， 即使我们没有共同的环境， 想要分辨出谁的大脑是谁的也会非常困难。

And in a town in Ohio that was founded by twins, an event honoring identical and fraternal twins just celebrated its twin centennial, its 200th year of honoring twins.

在俄亥俄州一个由双胞胎创立的小镇上，一项纪念同卵双胞胎和异卵双胞胎的活动刚刚庆祝了双胞胎百年诞辰， 这是纪念双胞胎的 200 周年。

One reason why it can't be entirely genetic is, if I'm gay and I have an identical twin, the odds that my identical twin will be gay--it's about fifty percent.

它不能完全是遗传的一个原因是，如果我是同性恋并且我有一个同卵双胞胎，我的同卵双胞胎是同性恋的几率 - 大约是百分之五十。

Each study also included both identical twins, with the same genes, and fraternal twins, sharing about half their genes, making it possible to distinguish the contributions of genes and environment to their g scores.

每项研究还包括具有相同基因的同卵双胞胎和共享大约一半基因的异卵双胞胎，这使得区分基因和环境对他们的 g 值的贡献成为可能。