Harry Potter and the Great Old Ones

Chapter 230 Experiments that Violate Human Nature
The true title of this chapter:

Research and Preliminary Exploration on the Molecular Mechanisms of Genetic Growth and Development in Animagus, Three-Dimensional Animals, and Wizards
After the Christmas holidays ended, Tierra boarded the Hogwarts Express and, after a long journey of five or six hours, once again stepped onto the platform of Hogsmeade Village.

"Tiera!"

As soon as Tierra stepped off the train, he heard someone calling his name in the distance—

Immediately afterwards, Tiera stumbled into a warm embrace.

“Long time no see, Tyella!” Harry said.

After Harry let go, Ron rushed over and hugged Tyella again.

"Thank you! Thank you so much!" Ron said excitedly. "Thank you so much! Your gift was absolutely wonderful!"

"A gift...?"

Before Tierra could react, she saw a large, shiny black dog run up behind Ron, circle around Tierra, and then give her a mocking look.

Tierra: ...

So, you were waiting for me here, kid.

I said that what I originally proposed was not to report you to the Ministry of Magic, so how come you changed it to not reporting you to anyone?

"Where's Hermione?" Tierra asked, since the trio who were supposed to be losing points should have been sticking together.

Ron and Harry exchanged glances—

“Hmm… Hermione’s been a bit busy lately…” Harry said.

“And she’s a little… a little angry with you…” Ron continued.

"Angry?" Tierra asked. "Why?"

“Because…because you seem to have forgotten to give Hermione a Christmas present…” Ron said, “Hermione…Hermione doesn’t seem to want to talk to you…”

“Oh…oh?” Tierra said, indicating that she understood.

And such good things?

If Tyrell remembers correctly, Buckbeak's defense should begin after Christmas in the original books, meaning Hermione would have to juggle two studies while also preparing Buckbeak's defense statement.

In other words, Hermione will find it difficult to focus on herself anymore.

Tyrell was confident she could keep Sirius impersonating her a secret from everyone else, thanks to their previous arrangements, but she felt Hermione should be excluded from that group.

With them spending so much time together, it was hard to guarantee that Hermione wouldn't notice anything unusual. That's why Tyrell's deal with Black was initially set to end before Christmas. The longer Black impersonated Tyrell, the greater the chance he would be exposed.

When Tyella met Hermione, it was in the Gryffindor common room. Hermione hadn't attended the celebration dinner that evening; instead, she was sitting amidst piles of files, flipping through them. When Tyella appeared, Hermione merely glanced up, coldly said "hello," and then continued studying the case of the magical creatures injuring people.

Hermione ignored her, and Tyella, not wanting to make a fool of herself, politely replied before returning to her room.

Perhaps because of Sirius's unrestrained love for his godson, Tierra clearly sensed that Harry's attitude towards her was becoming increasingly affectionate—

This made Tiera somewhat uncomfortable.

“Harry… I’m a little tired today…” Tyella said, feigning exhaustion. “I really don’t have the energy to discuss Quidditch formations with you… Tomorrow, how about tomorrow?”

"Oh...okay, fine..." Harry said disappointedly, "Then you should rest first."

"Okay, I'm going to sleep now, goodnight." Tierra said, yawning.

But that night, as everyone quietly drifted off to sleep, Tierra quietly got up, put on her clothes and shoes, and stealthily went to the dormitory door—

Then a big black dog blocked her way. Tierra: ...

The big black dog didn't bark, it just circled around Tierra.

Tierra: ...

Tierra had no choice but to abandon her plan to go to the Chamber of Secrets openly and instead change her route to go up to the toilets in the Gryffindor dormitory. Sirius followed Tierra to the toilets as well.

Tiera had no choice but to pretend to go to the toilet, then obediently returned to her dorm room, got into bed, and went to sleep.

Sirius followed closely behind Tiera.

Sirius Black had clearly become suspicious of Tyella after failing to find Peter Pettigrew for so long.

How did Peter Pettigrew disappear so coincidentally, exactly the night before he decided to storm the Gryffindor Tower?
So after searching the entire Hogwarts Castle last semester without finding Peter Pettigrew, Sirius Black changed his strategy—

Sirius Black is keeping a close eye on Tierra.

After seeing Tierra lie back down on the bed, Sirius paced around and lay down near the dormitory entrance.

But Sirius didn't notice that in the few minutes that Tierra went to the toilet, the school uniform that had been hanging above Tierra's window had disappeared.

After lying back on the bed, Tiera's consciousness left her body and entered the "parasite".

At this moment, the "parasite" had already drifted down to the women's restroom on the second floor and entered the secret room through the non-flowing pipe.

As soon as Tiera flew into the secret chamber, she immediately heard a cacophony of chirping sounds—

In the very center of the sealed laboratory table floated a huge mass of fleshy growths. Upon closer inspection, the center of the growths was none other than Peter Pettigrew's face.

Around the tumor, thirteen huge bubbles floated, each containing a mother mouse and several suckling mice that were larger than the mother mouse.

After the trip to the Dreamland ended, Tierra erased all of Peter Pettigrew's memories of the Dreamland and fabricated a false memory for him that he had been hiding for the past few months.

The first batch of Peter the Pettigrew's offspring were born in mid-November. Apart from some deaths, Tiera harvested a total of 57 Peter the Pettigrew II offspring, a number far lower than the normal breeding number of the first generation of mice. Among them, there were 33 male mice and 24 female mice.

The gestation period of a normal mouse is 19 to 21 days, but the gestation period of the Little Pygmy Star 2 generation lasted from August 13th to November 10th, a total of 89 days, nearly three months, which is about four times the gestation period of a normal mouse.

Moreover, the growth cycle of suckling mice is longer than that of other mice. Normal mice are weaned three weeks after birth, enter puberty in five to eight weeks, and reach sexual maturity within forty-five to sixty days after birth. However, the fifty-seven second-generation dwarf mice have not yet been weaned and are still in the lactation period. In addition, the mice are much larger than normal suckling mice, but they do not have any special human-like features in terms of structure.

Because Peter Pettigrew II has a much longer growth cycle than other mice, Tiera's plan to conduct large-scale backcrossing breeding in a short period of time completely failed. Helpless, Tiera had to use flesh magic to separate Peter Pettigrew's reproductive system and form a separate life form that was dedicated to reproduction.

"Sigh..." After observing all fifty-seven baby mice and accurately recording their morphology and growth characteristics, Tiera sighed helplessly. "I'll have to do another experiment to study whether flesh magic has any effect on biological reproduction and reproductive systems."

"Although those illiterate wizards don't care, I still can't get over this hurdle in my heart," Tierra muttered to herself.

This reflects a researcher's rigorous attitude towards experiments and the truth.

Tierra knew perfectly well that the results of his experiment would be absolutely explosive, and it wouldn't be an exaggeration to call it the founding father of molecular biology, cell biology, genetics, and developmental biology in the wizarding world.

But if he dared to publish it in Science or Nature, he would definitely be expelled from the scientific community and imprisoned.

Because Tierra's experiment violated every single point he had learned in his course on "Engineering Ethics and Academic Morality".

"To be honest, I'm really going to miss you," Tierra said, looking at Peter Pettigrew with a sorrowful gaze.

"But the good thing is that I can go catch Rita Skita next year. Her beetle Animagus has a shorter growth and reproduction cycle than your mouse, hehehe."

The fifth update is here.
The experiments mentioned in this chapter are all the author's own inventions. Good children should not try to learn from them or even think about them. At the same time, the author promises that he is a researcher with extremely upright values, loves the country, the Party and the people, and abides by laboratory operating procedures, animal experimentation methods, engineering ethics and academic ethics and writing standards. He will never conduct any experiments that violate academic ethics and engineering ethics.

Please do not attribute the author's actions to the protagonist.

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(End of this chapter)