But when they saw the portrait handed over by Jiang Si, they fell silent for a moment.
"This... this looks a bit like Chunni, the second child of Lihua's family."
"Not a little bit, but very similar. I remember Chunni looked like this when she was thirteen or fourteen years old."
Before he could even utter any words of praise, Jiang Si handed over a third portrait.
Although theoretically it can be predicted that the maximum age of a baby is around 25 years old.
Taking the accuracy of restoration into consideration, Jiang Si finally decided to predict the appearance in the golden period of 10 to 15 years old.
During this period, most people's brow bones have completely formed.
All permanent teeth have erupted.
The entire mandible is basically finalized.
"Mom and Dad, this is what I predicted based on your looks."
Perhaps because she often faced Huo Tingzhou's face, she painted this portrait very quickly, taking only less than an hour from composition to finishing.
Of course, the final result is not bad at all.
Grandma Huo was instantly excited after just one look.
"Like, this is a real likeness!"
"Old man, take a quick look. Doesn't this look like the same mold as Old Four's when he was a child?"
The old man nodded. This guy really looks like the fourth brother.
If you really want to nitpick, it would look even more like him if he wore a pair of glasses.
"Sisi, please tell grandma, how did you do this?"
As Grandma Huo spoke, she held Jiang Si's little hand and turned it over and over, looking at it non-stop.
They are both hands, how come my granddaughter-in-law is so powerful!
"Grandma, this is actually very simple as long as you learn the genetics course thoroughly."
Grandma Huo looked like she didn't believe it. "What's the point of learning it thoroughly? If you can't use it flexibly, it will just be dead knowledge."
Jiang Si nodded, this was absolutely true.
With a smile, she explained it to everyone in the most simple and understandable way.
To put it simply, the facial features of a person are mainly divided into explicit and implicit.
Things like pupil distance, nasal root height, jawline, auricle shape, and oral features are basically dominant genes.
To put it simply, these will most likely be passed on to the next generation.
In addition, there is another very important point. In fact, in genetics, the "ugly gene" is more powerful.
So things like flat nose, garlic nose, bald mouth, square face, and obesity.
There is no need to think about these, as there is a more than 90% probability that they will be passed on to the next generation.
After determining which are the dominant features, the three-point positioning method of eyebrow, nose wing and jaw is used.
It is actually not difficult to predict what the next generation will look like.
Of course, some external environmental factors must be added into this process.
For example, during the Great Famine, people's height would generally decrease by 4-6cm, and their head circumference would also decrease accordingly.
For example, the proportions of facial features of people in the north and south are also different. Due to the cold weather in the north, their noses are higher than those of people in the south.
Grandma Huo nodded repeatedly after hearing this. She didn't expect there were so many twists and turns here.
Jiang Si smiled and said, "In addition to appearance, height can also be passed on to the next generation through inheritance. With heights like parents, their children are destined not to be short, and the minimum will not be less than 180 centimeters."
The speaker has intention, and the listener has even more intention.
As soon as these words came out, both Mr. and Mrs. Huo looked over.
In fact, when they were looking at those portraits just now, they felt that something was wrong.
Especially after listening to my daughter-in-law's scientific explanation, the feeling of uneasiness became stronger and stronger.
"Si Si——"
Jiang Si has been laying the groundwork for so long, so naturally she won’t stop there.
She handed over the last portrait, the fourth one.
"Mom and Dad, didn't your cousin always regret that she didn't get to see her child grow up?"
"I drew this by combining the facial features of the couple. You can take a look."
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