Wizards have no potential in mutations

[UrsulaMejor]

the capacity to understand and the determination to learn magic.

This, of course, precludes the possibility that a ss13 crewmember could do it.

implying ss13 crewmembers have anything like "mental capacity" or "determination"

precludes 3rd person singular present of pre·clude (Verb)
Verb

1) Prevent from happening; make impossible.
2) (of a situation or condition) Prevent someone from doing something.