After Xiaocha and Bai Yu went downstairs to the team kitchen, Li Cheng was left alone in the attic, and she could rest for a while.

Before she could close her eyes for 2 minutes, she suddenly straightened up and flipped out the chat app to send a message to her cousin.

Princess Orange Blossom: Sister, I would like to consult you about something.

Momoko-san: Huh? Please speak.

The cousin actually returned in seconds, and Li Cheng had a feeling of cold hair shrieving, maybe it was a coincidence, the other party happened to go home from work to rest.

Princess Orange Blossom: That's right, uh......

Princess Orange Blossom: I have a friend who grew up abroad and grew up in China, but how can there be such a big difference!

Momoko-san: To be specific, where did she live abroad before, and where did she live after returning home? How long does it take for your appearance to change dramatically?

Li Cheng also didn't know if Xiaocha was brought back when Jian Man decided to adopt Bai Yu, it is estimated that if this is the case, then Xiaocha should have only lived in France for 3 years, plus her mother was in France when she was pregnant, then she should have been 4 years.

She didn't have time to reply to her cousin's message, but just flipped through it and opened her desktop computer.

opened the hard drive to check her past photos, but to her surprise, Xiaocha returned to China with her brother since she was 3 years old, but she was with her parents!

With your parents!

Bai Yu and Xiaocha's parents, Bai Wenxi and Jian Ning, are still alive, and they are fine.

His father did not work in investigative journalism when he graduated, nor did he work as a foreign correspondent before moving to France, but went straight to the Ministry of Foreign Affairs by passing the exam.

Xiaocha was also not born in France, she was born in Zambia, and the whole process of Jane Ninghuai Xiaocha was in Zambia.

Xiaocha returned to China with his parents before Bai Yu went to elementary school after the age of 3, Bai Wenxi was transferred to the Jiangcheng Consulate General as an administrator, and Jian Ning settled in Jinling with his sister Jian Man, Jian Ning returned to China to engage in the third-party certification of foreign-funded enterprises in the territory of i90001, specializing in import and export trade service outsourcing, is Ji Chong's partner.

Li Cheng saw the family portrait of Bai Yu's family of four in his hard drive, and Bai Yu also met himself and Ji Yingduo when he was 6 years old.

Since Bai Yu became a member of the team, Bai Yu's family has been getting together in Jiangcheng every weekend.

This is truly a world that is particularly friendly to Bai Yu.

Li Cheng was a little unconscious, and her hands were shaking a little.

Momoko-san: Little orange?

Princess Orange Blossom: Oh oh, I'm here, uh, I'm fine, but I mean to say that my friend was born in France and has been living in France all the time, and her hair color, eyes and skin are very similar to French, but she later returned to China after the same time, and she doesn't look like French at all.

Momoko-san: Oh, this is very normal, the external environment, food, and temperature will completely change a person's appearance, especially in places with a large difference in latitude. For specific research results, you can take a look at the monograph on phenotypic genetics.

Princess Orange Blossom: I don't understand?

Momoko-san: For example, the aborigines who were born in the tropics have never had a genetic disease of high blood pressure, but after living in the cold zone, their blood pressure, blood lipids, and blood sugar all rise sharply, and finally they become a three-high group.

Li Tao found typing very troublesome, so she turned it into a voice message: "The direct reason for becoming a three-high person is that the body needs to accept such changes due to external environmental stimuli, and the adjustment made by DNA transcription in order for the human body to cope with extreme environments."

People living in alpine regions need high blood lipids to maintain the vitality of the heart, just like nitroglycerin is always stored in the body, to prevent the heart from going into sudden arrest due to the stimulation of extreme cold weather outside.

Of course, this example is a more extreme case.

Let me give you another example of universal research significance, which is now at the forefront of epigenetic research – the improvement of human IQ by nutrients.

Today's children are generally smarter than they were 10 years ago, because the large intake of folic acid makes the mother feel that the era of mildness and nutrition has come, thus opening up the expression of wisdom genes.

Specifically, after the fetus receives a large amount of folic acid stimulation, the genes of the developing brain are more intelligent in order to cope with the nutrient-rich era, and the mechanism of socialization and intellectual cooperation of human beings under nutrient-rich conditions is deepened, and the expression of folic acid-related intelligence genes is activated, resulting in a significant increase in the average IQ of children in a short period of time. ”

Princess Orange Blossom: Huh? That probably has nothing to do with folic acid, which means my friend has a genetic mutation?

Momoko-san: "Of course not, the changes in your friend's appearance also belong to the category of typical phenotypic genetics.

When she lived in France, she was affected by the synergy of France's high latitudes, mid-temperate food, and mid-temperate light intensity, which was closer to the French population, and even resembled the Europa race because her mother was pregnant in France.

Even if your friend carries standard Asian genes, it's likely that the mother will live in France for a long time when she was pregnant, and she will look like a native of France.

However, after returning to China, the synergy of living at relatively low latitudes, subtropical food, and subtropical light will completely express itself close to that of Asians.

The external environment will continue to change the pigment, protein synthesis, and skin color secreted by the human body, especially the food, water and intestinal flora that the mother eats and drinks when she is pregnant are significantly related to the shaping of human facial appearance, which is why many couples will have a husband and wife appearance after living together for many years.

The different regions where people live will directly change her appearance, which is a natural adjustment made by the body in order to adapt to the local environment.

This is called 'subtle', and it is genetically real. ”

Li Cheng didn't expect that human genes are so perfect, and they can adapt to the environment like chameleons?

Princess Orange Blossom: Aren't we all chameleons?

Momoko-san: "Hee-hee, it's higher than a chameleon."

The chameleon's environmental adaptation is limited to the surface color of the body's skin, and its ability to adapt to other natural environments is far less than that of humans.

Human appearance genetic adjustment is directional, from skin color to appearance, from intestinal flora to blood pressure, from temperature to latitude, from behavior to overall IQ, will change due to adaptation to the environment.

In the world's racial IQ measurement, the average IQ of the yellow race ranks first in the world, and even exceeds the average IQ of the Jewish race, which is also related to the complex and drastic changes in the evolutionary environment of the yellow race in the process of evolution. ”