What characteristic of short tandem repeats (STRs) DNA makes it useful for DNA fingerprinting?
A) The number of repeats varies widely from person to person or animal to animal.
B) The sequence of DNA that is repeated varies significantly from individual to individual.
C) The sequence variation is acted upon differently by natural selection in different environments.
D) Every racial and ethnic group has inherited different short tandem repeats.

Question

Quizplus · Accepted Answer

Short tandem repeats (STRs) DNA is useful for DNA fingerprinting because the number of repeats varies widely from person to person or animal to animal. This allows for unique profiles to be created for individuals based on the number of repeats at different loci.

What Characteristic of Short Tandem Repeats (STRs) DNA Makes It