Question

question 9 of 10
why can only certain parts of dna be used as dna fingerprints?
a. the parts must only contain certain bases.
b. the parts must be unique to the person.
c. the parts must code for the insulin protein.
d. the parts must be dna for making skin cells.

Explanation:

DNA fingerprints rely on the uniqueness of certain DNA regions among individuals. These unique parts (like short tandem repeats) vary significantly between people, allowing for individual identification. Option A is incorrect as DNA fingerprint regions don't just depend on certain bases in isolation. Option C is wrong because not all DNA fingerprint regions code for insulin protein. Option D is incorrect as DNA fingerprints aren't specifically related to DNA for making skin cells.

Answer:

B. The parts must be unique to the person.