About one person in 30,000 has the genetic defect that causes Wilson's disease, while about 1.1 percent of the general population are carriers of the mutant gene.
The action figures were based on the popular comic book in which four mutant turtles were trained in the martial arts while living in the New York City sewer system.
Like Erik said, she's some mutant Sasha made to infiltrate your operations.
A very few new mutant alleles can drift to fixation in this manner.
We want a hero we can connect with, and as one of the only super heroes that is not a mutant or otherwise genetically altered, Batman's human side is his major selling point and it has, sadly, been removed from this film.