There are four blood groups: A, B, AB and O blood groups.

A 型、B 型、AB 型和 O 型。

Scientists believe that type O is the oldest blood group.

科学家认为O型血是最古老的血型。

Of the 32 blood group systems, the Rh system is the largest, containing 61 antigens.

在所有的32种血型系统中，Rh血型系统是最大的，包含了61种抗原。

Blood groups are inherited, and Rhnull is known to run in families.

血型是由遗传决定的，Rhnull血型同样如此。

There are four kinds of blood group: O, A, B and AB.

O型、A型、B型和AB型。

Do you know what your blood group, also called your blood type, is?

詹妮佛，你知道你是什么血型吗？

This blood group is known as Rhnull and scientists are calling it the golden blood type.

这种血型名叫Rhnull血型，科学家们称之为黄金血型。

The human blood group system is based on three different antigens: A, B, and O.

人类血型系统基于三种不同的抗原：A、B和O。

The genes passed on to us from our parents dictate what our blood group will be.

父母遗传给我们的基因决定了我们的血型。

People's ethnic origin influences what blood group they may be.

人们的种族血统会影响他们的血型。

People select romantic partners based on blood type, and different blood groups are associated with different personalities.

人们根据血型来选择伴侣，而且血型不同，性格不同。

If a person receives blood from the wrong blood group, it could have a bad effect on their health.

如果一个人接受了错误血型的血液，可能会对他们的健康产生不良影响。

The question was: In what year were blood groups described with the groupings A, AB, B and O?

血型是在哪一年被命名为A、AB、B、O？

Well, we can see that different blood groups may cause problems when it comes to treating patients.

我们可以看到，在治疗病人时，不同的血型可能会造成问题。

The book says that our blood groups should influence what we eat.

这本书上说，我们的血型应该会影响我们的饮食。

They may even ask about a person's blood group when they search for someone to marry!

他们甚至可能会在寻找结婚对象的时候询问血型！

Hmm, lots of westerners don't know their blood type, but in parts of Asia blood groups are a topic of daily conversation.

嗯，很多西方人不知道自己的血型，但是在亚洲部分地区，血型是日常交谈的一个话题。

The Rh factor is important when we learn about the Rh blood group system.

当我们了解Rh血型系统时，Rh因子是很重要的。

We know that there are eight main blood groups that make up most of the world's population.

我们知道有八种主要血型占世界人口的大部分。

The military had programs in the 50s and 60s whereby they would tattoo children with their blood group.

军方在 50 年代和 60 年代有计划，他们会用孩子的血型纹身。