Chapter 634 Lecture Begins
The sudden sound cheered up Yang Xiaotao, and his face regained confidence.
When the applause stopped, the host’s voice sounded again.
"Here, I want to announce a piece of good news. Share this joy with everyone."
The middle-aged man said with a smile on his face, and Yang Xiaotao smiled psychologically But he announced to everyone with a blank expression, "Comrade Yang Xiaotao, in addition to his achievements in hybrid corn, has also made important breakthroughs in biological genetic research."
"The paper he wrote personally, Gene Mutation, was published in the journal Nature. This is of great significance to our country's biology. His research direction opened a new door for me to develop biology..."< br>
As the host’s voice fell, a sound of surprise suddenly sounded in the auditorium.
Everyone has heard of the influence of Nature newspapers on science around the world. Being able to publish papers on them has no doubt about their authenticity, scientific nature and importance.
Even the experts in the front row were shocked. They had never heard of anyone in China doing it in so many years.
Yang Xiaotao looked normal, but felt nervous in his heart.
Looking at the expressions of everyone in the audience, they felt a little helpless.
It’s early to become famous, but you also need to have excellent skills.
Looking at Dean Deng in the middle of the row in front of him, he was very suspicious that he had arranged these remarks.
When the host finished his introduction, warm applause erupted from below again.
It wasn’t until the host handed over the microphone and walked off the stage that the applause from below slowly subsided.
Yang Xiaotao took the phone with helplessness on his face, which was completely inconsistent with the low-key tone he wanted.
Looking at Yang Xiaotao picking up the microphone, the venue was quiet, waiting for Yang Xiaotao to speak.
"Hello everyone, I am Yang Xiaotao!"
Facing hundreds of people in the audience, Yang Xiaotao's voice was trembling when he spoke.
But his mentality soon adjusted. Although these people were much more than the students in Yangjiazhuang, and their age and status were also different, at this time, standing here, he was the teacher, and those below were the students. .
What’s so stressful about teaching students?
Yang Xiaotao breathed a sigh of relief and regained his composure. Everyone's eyes were on him.
Looking back, I picked up the chalk and wrote a few big words on the blackboard.
"The topic I brought today is hybrid corn and genetic mutation!"
After saying that, the people below have begun to record in their notebooks.
Many people showed excitement. They had obviously heard about hybrid corn. Looking at the word "gene" at the back, even a few people in the front row listened intently.
However, Yang Xiaotao was not in a hurry to explain.
"Before the lecture, I need three pairs of men and women who know each other to come forward to help. Can anyone volunteer?"
The scene was silent for a moment, and there was no reaction.
Then I saw An Ran holding Yu Hua’s hand up.
"Okay, you two!"
The two of them kept looking at Yang Xiaotao, and Yang Xiaotao also paid attention to the two of them and called their names immediately.
Soon, two more pairs of people ran onto the stage.
Faced with this unique method, the people below watched it with leisurely attention. Even Dean Deng showed interest.
This interactive method is more profound than the characters on the blackboard.
"Okay, I guess you two must be from the same place, or familiar with each other."
The six people nodded.
"Okay, let's get to the point!"
Yang Xiaotao asked a few people to stand aside, and then stood in the center, "Everyone saw that there are three pairs of people coming up!"
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"I give each pair of them a name. Remember, everyone, from now on, they are not people, but corns!"
Everyone laughed, and the six people on the stage also laughed.
Especially An Ran and the other two, they were able to listen at a close distance and participate in it. If they go back and tell the teacher, they will definitely be praised.
"Your code names are long and short, the boy is long and the girl is short!"
"The code names for you two are big and small, the boy is small and the girl is big!"
"You two code names will not fail, the male will, but the female will not!"
"Do you remember everything?"
The six people nodded in unison.
"Okay, then, let me tell you the rules first."
"Among these six people, when boys and girls are together, everyone can only call the boy's code name. Do you remember that?”
The person below nodded.
"Then, I'll start arranging!"
Yang Xiaotao began to direct a few people to stand together.
"Now, six people stand together, please call me their names."
"Chang Xiaodao!"
"Very good, everyone responded Very soon!”
"Then, the girls come out and everyone calls out their names."
"It's too short to fail!"
"Correct!"
"Then, here's the question. I want to How to find a long, big, and durable name, how to combine it?"
"How about we let them do it themselves!"
Soon, the six people stood up where they were.
A man and two women stand together.
“Right!”
Everyone below nodded.
Yang Xiaotao walked up and asked, "Do you know how many possibilities there are to find such a perfect combination?"
"There are many math students here, give me an accurate answer!"
"Eight kinds!"
Someone shouted, Yang Xiaotao raised his hand and extended his thumb. "That's right!"
"I'm just saying that the chance of them getting together is one in eight!"
"Do you think it's very simple?" Yang Xiaotao stood aside and said to everyone with a smile, "I think it's simple too, because this is how hybrid corn comes out."
"Thank you, everyone, please go aside and have a rest. "Exit."
An Ran immediately walked to the side of the podium, following Yang Xiaotao's hand, and sat down cross-legged, right in front.
Several other people saw it and sat down quickly.
Yang Xiaotao wrote on the blackboard that long sticks, big grains, resist lodging.
Then write the matching English letters below.
Three minutes later, a complete genetic combination appeared in front of everyone.
“This is the whole process of the emergence of hybrid corn.”
“First, I confirmed the appearance of corn, like long and short.”
“Then determined Controlling the dominance and recessiveness of two phenotype genes, just like when a boy and a girl were together, they were called boy codes. Boys are dominant and girls are recessive! ”
"The last thing is the combination. When boys and girls are combined together, they will produce different traits, and this combination is genetic recombination."
...
In the next half hour, Yang Xiaotao will After explaining the principles, processes and changes of hybrid corn, the scene was completely silent as everyone digested everything Yang Xiaotao said.
Some people who have studied hybridization know that the seemingly clear and clear flow chart above is actually the result of countless days and nights of hard work.
It is easiest to discover things from one to a hundred, but it is rare to find things from zero to one.
It's a discovery.
And Yang Xiaotao is the discoverer. He has opened a door and found a way. The remaining people only need to follow this path to expand and go all the way.
After this, no matter where it develops, people will remember that the person who opened this door in the first place was named Yang Xiaotao.
As for other people, they only remember what hybrid corn is and how to obtain hybrid corn through explanations.
After Yang Xiaotao finished talking about hybrid corn, he let everyone digest it for a while, then changed the subject and prepared to talk about genetic mutations.
"After listening to it for so long, you may have noticed that there is a noun that appears frequently."
Yang Xiaotao said, and then he drew the word gene repeatedly on the blackboard.
"So, can anyone explain what a gene is, or what do you think a gene is?"
After the words fell, the audience fell silent, and no one answered.
Somewhat cold.
This scene caught Yang Xiaotao off guard. Logically speaking, genes should not be so ignorant and ignorant.
Just when Yang Xiaotao was about to explain himself, an old man in the front row raised his hand.
"Hello, Teacher Yang!"
"I am a biology teacher at the Academy of Agricultural Sciences, and my surname is Zhou!"
Yang Xiaotao was taken aback by the old man's title, but React quickly.
"Hello, Teacher Zhou."
Yang Xiaotao responded quickly.
Someone immediately whispered in the venue. Although Yang Xiaotao didn't know this person, judging from everyone's reaction, this person was an expert.
"Teacher Yang, I have read your paper on hybrid corn and your paper on genetic mutations. They are very in-depth."
"Thank you for your compliment."< br>
Mr. Zhou waved his hand and said, "There is no need to be modest. Here, the master is the teacher. Even though I am older, I have only eaten a few more years and read a few more books than you."
" If you can hear knowledge here and hear it in the morning, you will die in the evening."
Teacher Zhou smiled and said to the people around him, and they all laughed together.
Then Teacher Zhou began to talk about his own opinions.
“In my opinion, genes are genetic codes that can pass on certain characteristics of parents to the next generation.”
"This kind of code forms a new individual during the recombination of both parties."
"As our ancestors said, dragons beget dragons, phoenixes beget phoenixes, and mice are born to dig holes."
< br>After Teacher Zhou finished speaking, Yang Xiaotao nodded.
“Thank you, Teacher Zhou, for your incisive explanation.”
“Just like Teacher Zhou said, each race has special genes and unique inheritance methods...”
Yang Xiaotao pointed to the English letters on the blackboard, "Just like these letters, each of them represents the genetic code, expressed in its own way..."
"Let's take the insulin that Teacher Wang said. In fact, It’s protein.”
“The amino groups that make up the protein. Acids are arranged and combined in a specific way, and why they are arranged in this combination, or the template that controls the arrangement of these amino acids, I think it is genes.”
Yang Xiaotao expressed his thoughts. There are some understandings from later generations, as well as his own views based on the times.
It’s not that we don’t know the process of gene replication, transcription, and translation. It’s just that saying it now has no factual basis as a basis, and there are not enough hard conditions. Saying it will only encourage things and rush for success.
However, Yang Xiaotao was not too conservative. After thinking for a moment, he picked up the chalk and drew a chain on the blackboard.
“It was Teacher Wang’s lesson yesterday that inspired me. I have a conjecture here.”
“If insulin is a product controlled by a certain gene, can we work backwards? , how to reversely deduce genes through the amino acids that make up proteins? ?”
“I have deduced it in private, but it is immature. How can I provide it for everyone’s reference?”
At this point, several people in the front row could not sit still. The expert wearing reading glasses took out a handkerchief and began to wipe the spectacle lenses, trying to see clearly.
Especially Wang Guangmei, who gave the lecture yesterday, stood up and walked to the front row to sit down and look at the blackboard carefully.
They really have never thought about this subject.
Because insulin has not been successful yet!
“This is what I was thinking about last night.”
Yang Xiaotao looked at the two lines on the blackboard and shamelessly attributed the findings of later generations to himself.
However, having said that, it is not certain whether those people still exist in this world. We cannot wait for those people who may not exist to promote the development of science.
If necessary, get insurance for yourself.
Yes, this is Yang Xiaotao's self-comfort, and it works very well.
(End of this chapter)