After learning about the life of "cloned sheep Dolly", you will understand why people are not obsessed with cloning technology.
On February 22, 1997, the British biogeneticist Wilmut successfully cloned a sheep, which was the first achievement in human history to promote the development of artificial embryos with modern engineering technology.
In other words, Dolly has three mothers, but it has no father, and it is a fertilized egg formed by the combination of two genetic egg cells, and then placed in the belly of another sheep for embryonic development.
This technological advancement has given people the hope of immortality, as long as there is a genetic cell, even extinct dinosaurs can be cloned, making this technology once hailed as the greatest invention of the 20th century.
Scientists have experienced a total of 276 failures when studying Dolly, and only Dolly has succeeded in making it, and has since lived with Welsh male goats and became a mother of 6 children.
This shows that even if it is a cloned sheep, it has all the functions of a normal Mianyang, implying the advancement and perfection of cloning technology......
In the second half of 2001, Dolly suffered from arthritis, and could only walk stiffly, and could only use anti-inflammatory drugs to relieve pain, but because of genetic defects that could not be cured.
Just two years later, Dolly the Sheep was again diagnosed with a severe lung disease, by which time its joints had degenerated to the point where it was unable to walk upright, a disaster for a sheep in the prime of life.
Under normal circumstances, only the disease of elderly sheep can have, Dolly is so young and degraded to this point, why is this?
It turned out that Dolly's genetically biological mother was 6 years old when the egg cells were retrieved, so Dolly was not 1 year old when she was born, but 6 years old, which means that as of 2003, it was already 12 years old.
According to relevant statistics, there are some differences in the lifespan of different types of sheep, and the average lifespan of sheep is about 10 to 15 years old.
Because of genetic inheritance, Dolly the sheep was born with defective genes from her mother, and these defective genes became more prominent as Dolly grew older.
Dolly inherited all of her mother's ailments, as well as a fatal aging problem that made it impossible to treat it with conventional medications.
The experimenters couldn't bear to watch Dolly continue to be tortured by the disease, and finally decided to euthanize Dolly.
Dolly's death shattered people's illusion of pursuing eternal life, even if they were cloned, the mother's disease and age would be cloned with it, so that the goal of eternal health could not be achieved.
In this regard, some Japanese researchers did not give up and used the same method as Dolly to clone a pair of twin black cows - "Kaga" and "Noto".
The two cows were not as good as Dolly, and they left shortly after birth, and the cloning technology was sealed in Pandora's box.
Even though cloning technology is full of uncertain results, there are still many people who are dissatisfied with the termination of cloning research, because since the key to the problem has been found, why not continue to research and overcome the problem?
This has to start from the natural law of human existence, birth, old age, sickness and death are things that everyone has to experience, and cloning technology obviously violates the law of natural development.
On the other hand, cloning technology will reduce biodiversity, because the cloned person is exactly the same person as the mother, and do you want to have a person in the world who is exactly like you?
At the same time, the main reason is that there is an imbalance in the relationship between men and women in society, and more and more women abandon men on the road of becoming mothers, and choose artificial insemination.
Of course, there will always be two sides to anything, and there is a very big controversy about cloning technology.
As one of the biggest misfortunes in life, how many parents can hope that their children can always be with them for life, and the existence of cloning technology may also be able to "save" many poor parents who have lost their children in old age.
Of course, for Ren Lunchang, if cloning technology is born, everyone can realize that they can come to this world without biological fathers, what will society become!
There are pros and cons to everything, and many people will also raise the application of cloning technology in other fields, for example, for some children who died due to accidents, or died of illness shortly after birth, can cloning technology be used?
Not to mention how to control and supervise the conditions of these two, that is, once the technology is liberalized, others will take advantage of the loopholes, and if it endangers the society, it will do more harm than good.
The birth of Dolly the cloned sheep is the progress of human science, but it has also caused panic among some people, especially the advent of the movie "Escape from Clone Island", which has further verified the concerns of human beings.
Some people who have mastered the cloning technology will keep the cloned people in captivity, and when the rich and powerful need them, they will have alternative organs, so as to achieve eternal health.
Wouldn't it be a little too scary if the world really developed to this point one day? It is necessary to look at the results of scientific research from a dialectical point of view, and take the essence of the research and discard the dross.
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Dolly the cloned sheep, as the first cloned animal, what kind of warning does its ending bring?