shinigami ryukie
So, I realize the personality and such would be different, but because the body is the same. Then the potential for intelligence is the same, and if raises in the right environment, then you could make someone brilliant right?
Intelligence is a little more complex than that, and theoretically, practically anyone could have the same intelligence on that factor.
A lot more is based on prenatal and maternal development, or how they developed in the womb.