For the next month, Chen Chen didn't go anywhere, and stayed at the embassy every day to read theories and papers related to biology.

From induced pluripotent stem cells to regenerative medicine, from biomaterials to tissue engineering, from genetic engineering to cell engineering, Chen Chen is moving forward step by step.

When access to knowledge is no longer a restriction, Chen Chen absorbs all the currently known biological knowledge of human beings at almost a whale swallowing the sea.

Unconsciously, the time has come to January 31, 2022, if Chen Chen is still in school at this time, the time happens to be the end of the first half of the sophomore year.

At the same time, this day is also the most important traditional festival in Zhongzhou - Chinese New Year's Eve.

At two o'clock in the afternoon, Chen Chen, who was reviewing a paper on "The Position Effect of Human Gene Activation Based on the CRISPR/Cas9 System", suddenly felt something, he took out his mobile phone, and after a little hesitation, he still dialed the extremely familiar number.

Namibia is the time zone of East 1, and there is a difference of six hours between Namibia and Central, which is exactly 8 p.m.

"Hey, Xiaochen, why do you have time to call your mother?"

On the other end of the phone, Chen Chen's mother's voice came out, "Don't worry, your dad and I are fine, after listening to your advice, your dad has already bought a villa and is decorating it." ”

"In the future, when you marry a daughter-in-law, you don't have to move out, and your mother can help you hold your grandson......"

"But, your dad is still that problem, poor and generous to his relatives...... Forget it, I'll be angry when I mention this! ”

"By the way, I said Xiao Chen, when are you coming back, I haven't seen you for a whole year since the Chinese New Year last year, don't be busy outside, I have to go home to see if I have time, and bring a girlfriend back by the way, ah?"

Listening to his mother's chatter, Chen Chen agreed like a worm, and hung up the phone after half an hour.

After hanging up the phone, Chen Chen closed his eyes slightly with a residual smile in his eyes.

When he opened it again, the smile was completely hidden in the dark pupils.

The farther away from home, the more nostalgic he is for the beauty of home, but because of this, Chen Chen wants to keep this beauty forever.

"Human Life Escape Program ......"

Chen Chen muttered in a low voice, this plan was the plan that Chen Chen began to conceive after getting the USB flash drive, the ultimate plan aimed at forcibly raising the overall lifespan of human beings and doing his best.

And in the final analysis, this plan is to serve Chen Chen's parents, after all, Chen Chen does not want to live alone for a long time, he hopes that his relatives can always accompany him.

Of course, the same must be true of the parents' thoughts, they also have the most concerned relatives of their own generation, and they must also want them to be able to accompany them.

As a result, Chen Chen's plan for all mankind appeared.

If you want to live forever, you must first break the limit of the human body Haflik to obtain immortality, and only after you have the technology of immortality can you be qualified to pursue that ethereal eternal life.

It can be said that everything Chen Chen has done so far is paving the way for this plan.

Of course, Chen Chen's embryo cloning plan is still different from the gene-edited baby incident that occurred in Zhongzhou in 19 years.

In the case of gene-edited babies, a medical madman knocked out the HIV-infected gene from an embryo without legal and ethical conditions, and implanted the embryo into a woman, causing her to become pregnant.

The man used a gene-editing technique called CRISPR/Cas9, which modifies the baby's embryonic CCR5 gene in an attempt to form the CCR5-Δ32 variant.

The so-called CRISPR is actually an immune system created by bacteria to defend against the attack of a virus.

To put it simply, a virus is like a robot composed mainly of nucleic acids, and when it attacks bacteria, it will embed itself in the nucleic acid strand of bacteria like a parasite, and then secretly disassemble the nucleic acid of the bacteria to make the same appearance as itself to replicate itself.

Therefore, in order to protect themselves, bacteria have evolved this repetitive gene sequence called CRISPR, which "cuts" the nucleic acid strand when the virus is embedded in its body.

Cas9 is the name of a protein nuclease in which CRISPR cleaves double-stranded DNA by binding two RNAs, either to cleave or otherwise alter.

Thus, the well-known CRISPR/Cas9 technology emerged.

The reason why the man chose to modify the CCR5 gene is that CCR5-Δ32, which is a naturally occurring genetic variant in 10% of European people, has been studied to be resistant to HIV infection in humans who carry this variant.

However, Chen Chen once checked the experimental data released by this person, but found that this person's technology was not in place, and it was even possible to cause three different mutations in the embryo, and the impact of these mutations was unknown.

To put it simply, it is very likely that the target has been missed......

Moreover, the potential effects of the deletion of the CCR5 gene are far beyond human understanding.

The reason why the entire scientific community has condemned this is that the modified gene will be integrated into the human gene pool, which means that the children and grandchildren of the two gene-edited babies will also carry the gene after giving birth to offspring.

Thousands of years later, if this hidden danger of genes suddenly erupts, the impact at that time is likely to involve the entire human race......

No one can afford to take that risk.

What's more, this person's experiments did not have any technical breakthroughs, and the CRISPR/Cas9 technology was not invented by him, and all the technologies he exercised were a basic operation in the scientific community, something that any scientist could do.

In Chen Chen's view, this person has done a mess every step of the way, whether it is scientific design, technology implementation, or ethics!

It is normal for this person to be sentenced to prison, and the Central Continent District has already enacted a corresponding law in 2003, strictly prohibiting any human embryo gene editing activities for reproductive purposes.

In other words, if the person only modifies the CCR5 gene of the human embryo with CRISPR/Cas9 technology, but the embryo is not born, then he is not breaking the law.

It's a pity that this person has reached the point of madness for the sake of fame and fortune......

The ethical aspect of Chen Chen's plan is the cloning of human embryos, but it is not illegal to simply clone embryos internationally, after all, in the eyes of many scientists, the newly developed human embryo does not even produce a brain, it is just a lump of meat.

Just like the abortion technique, when the pregnancy is more than 14 weeks, it is generally not recommended to have an abortion medically and ethically, because 14 weeks is a critical point, and the fetal brain has begun to develop rapidly after 14 weeks, and from this time on, he is already considered a human being.

As for whether human embryo cloning technology is unethical or not, this debate has always been a major problem in the academic community.

In fact, Chen Chen also knew that this was a small violation, but in his opinion, if this small violation could be exchanged for medical progress, it could cure more diseases and keep more people away from pain, and the price would still be worth it.

To put it simply, the development of medicine is always a double-edged sword, ethics and morality constantly involve technology, and medicine without the restraint of ethics and morality can only fall step by step into the abyss of destruction.

However, if the ethical and moral bottom line is set too high, it will also hinder technological progress.

However, Chen Chen always firmly believes that obstacles to development will not prevent development, and the progress of human science and technology is always accompanied by obstacles, and many people know that human beings must protect the earth and protect the natural environment.

But they forget that the motivation of human beings to protect the earth's environment is because human beings need to protect themselves, and if the earth's environment is destroyed, human beings will cease to exist.

This is the real motivation of human beings to protect the planet.

Of course, this is often the case with some grateful conservationists:

"There can never be too many of any race, rats multiply too fast, so there is plague, deer multiply too fast and then there are wolves, and nature will always balance them, except for humans."

"Therefore, nature is so kind to human beings, and we should repay nature well!"

And Chen Chen's answer to these people was:

It is not that nature is kind to man, but that man is constantly moving forward and overcoming nature......