What is a nonnative species

a. a species that increases biodiversity
b. a species that does not normally live in an area
c. a species that is a poor predator
d. a species that has no permanent home

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?