After listening to Shi Xiaorui's words, Shen Shen next to him was more excited than Lu Xun. He repeatedly asked, "really, doctor Shi, tell me quickly! Come on

Shi Xiaorui doesn't understand Shen Shen's excitement. Does the other side of the matter have anything to do with Shen Shen? Can't it be Shen Shen's sister?

Shi Xiaorui took back her curiosity and explained to them: "there are two kinds of blood marriage. One is to take a bowl of water and drop their blood to see if they can merge. But in fact, as long as the time is long enough, the blood can be fused, not to mention human's, even the blood of human and other animals can be fused. "

When they saw TV plays, they used to make complaints about their performance. Because their classmates were misled by the TV drama, they found a plastic bottle when they were very young. Shi Xiaorui, who was still a student next door, poured his blood and a drop of red ink into the water and smoothly fused.

Then there are other children who don't believe in evil and have to try. As a result, a lot of students have holes in their fingers that day. If it's really reliable to recognize their relatives by dripping blood, their whole class will be brothers and sisters.

But when she grew up, Shi Xiaorui thought about it and regretted it, because the students used the same needle that day. In fact, this behavior is a little dangerous.

As soon as Shi Xiaorui finished, Lu Xun couldn't wait to ask, "is there another one?"

It seems that they are using another method.

Shi Xiaorui sorted out her thoughts, and it was a little more troublesome to explain another situation.

"The other situation I'm talking about is to only drop two drops of blood to see if they will fuse. That's what you want to ask, right?"

Lu Xun nodded.

To tell you the truth, his expression is a little dignified and frightening. Although Shi Xiaorui has long guessed that he can't really behave so well in front of himself, he is also surprised by his present appearance.

This problem must be explained clearly to him, otherwise Lu Xun will turn over every minute.

Shi Xiaorui thought about it and said: "although I can't feel it at ordinary times, there are many kinds of blood types. Whether the blood can blend with each other has nothing to do with whether they are related by blood. It mainly depends on what blood type they are."

This concept is so strange that Lu Xun and Shen Shen are a little confused.

Shen Shen also repeated: "blood type?"

Shi Xiaorui doesn't know how to say it, because if we want to say it completely and systematically, it's a very complicated system. We may not be able to finish it in one night. After that, we can't come up with evidence or prove it on the spot.

Shi Xiaorui had no choice but to say: "the explanation is not clear for a while. Just remember it first. People's blood types are divided into many kinds, and the same blood type will not be compatible. More than half of the two different blood types will be compatible, and the probability is quite large. "

Shi Xiaorui looks at Lu Xun. If the blood is completely incompatible, then the two drops of blood should be exactly the same blood type, which is very common in heredity, but it's too bad luck in this aspect.

Lu Xun's expression is a little indescribable.

But he quickly grasped the key point: "you mean that the blood type, the same blood type, can't be compatible, that is to say, the blood of father and son can't be compatible?"

Shi Xiaorui was a little worried about his reaction. He was worried that he was too excited to tear the wound. He used the technique of coaxing the child and patted him on the back a few times as a way of appeasement: "don't be excited, listen to me slowly."

Shi Xiaorui felt that his hands were cold, so he went to the next table and poured him a cup of tea. It is estimated that the tea has just been changed, and the temperature is quite high. Shi Xiaorui puts the cup in Lu Xun's hand to warm him, and then explains to him.

"Blood type is a very complicated thing." Shi Xiaorui didn't know how to talk about blood type A and blood type B, so she had to explain it more simply. "There are many kinds of blood types, which can be roughly divided into four types: A, B, B and C. We won't mention some other rare blood types for the moment. Let's take an example, for example, father's blood type is a, mother's blood type is B, The blood type of their children may be type A, type B, type A, type B or type C

After changing ABO into a, B and C, Shi Xiaorui felt that she would be dizzy, so she stopped for a while to give them time to think.

"In this case, if the child is type A, it is the same as his father's blood type and different from his mother's blood type. If it is type B, it is different from his father's blood type and the same as his mother's blood type. In this case, at least one of his parents' blood can be compatible. But if the child is type A, B or C, it is different from his parents' blood type and can be compatible."

Shi Xiaorui waited for a while to see that they all understood this somewhat convoluted example, and then said: "C is a special blood type. If both parents are type C, the child must be type C except for the special situation with very low probability, so that the blood will not blend with both parents."

Shi Xiaorui has a look at Lu Xun. He is probably a little dizzy by the words around him, but his body is much more relaxed than before.

"Is there anything else you don't understand?" Shi Xiaorui asked uneasily.

Lu Xun shook his head.

Shen Shen understood and took Shi Xiaorui out of the room.

Shi Xiaorui went out with Shen Shen and asked, "is general Lu OK? He seems to have some worries about this."

Shen Shen didn't speak. He avoided the topic of Shi Xiaorui and said to her, "in a word, thank you for your help tonight, but it's late. Now it's late at night, so I'd better take a rest as soon as possible."

Qingfeng and Mingyue were waiting outside the room. They stood far away and didn't hear the conversation in the room. But Shi Xiaorui spent more time in the room this evening than before. However, Shen Shen's face was OK. They didn't ask anything, so they went back with Shi Xiaorui.

In the room, Lu Xun sat in silence.

Shen Shen sent Shi Xiaorui back, looking at him with some worry.

The tea in Lu Xun's hand had become warm. Lu Xun raised his glass and drank it like a drink.

Shen Shen doesn't know whether it's better to leave Lu Xun alone or to talk with him. Today's time is not good. Shen Shen is very worried that it will affect Lu Xun's physical recovery.

Lu Xun stretched out his hand and wiped his face: "don't worry. After so many years, I should have figured it out."

Shen Shen, a little at a loss, stood beside him in silence.

"Bring a cup." Lu Xun said in a deep voice.

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