Which of the following characteristics of short tandem repeats (STRs) DNA makes it useful for DNA fingerprinting (genetic profiling) ?
A) The number of repeats at a particular STR is inherited following Mendelian genetic patterns.
B) The specific sequence of DNA that is repeated varies significantly from individual to individual.
C) Knowing the number of repeats that a person has at a single chromosomal locus is sufficient to connect that person to a DNA sample from a crime scene.
D) Analysis by RT-PCR allows the profile to be produced even when the sample is in poor condition.
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