Rats are some of the worlds smartest animals, and we can see this even in their genes and the way their brain is developed as they are raised. Things such as bad mothering can make a rat out to be more sensitive and more wary than one who was properly raised. Since we are learning about Punnet Squares and genealogy we can see how they way we are treated can also effect how our cells and genes are shaped into something new.
This interactive animation shows how a way a mother nurtures her pups can effect the way their pups will mother their own pups. If there is stress put on the pups because of a bad mother, then that idea gets ingrained into their brain with mythel marks, which creates sensitivity to that stress. That forces them to treat their offspring the same way their mother treated them. If their mother was more nurturing and loving, however, those mythel marks go away, and they are less fearful and neglectful.
I find this information to be incredibly helpful and interesting, as this could also be a possibility for the human race. We see how the way a human can act if they were raised in a bad household, although not everyone raised improperly turns out the same. But seeing the way rats brains are shaped to preform certain actions when they start mothering, because of the way they were raised, shows that those actions could potentially be engraved into other animals brains, and even genes.
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