Which of the following statements about STRs is FALSE?
A) They are only 2-9 bases long.
B) Clusters are found widely distributed on all human chromosomes.
C) Variation in the number of repeats is used in preparing DNA profiles.
D) They consist of differences in DNA sequences that are only one nucleotide long.
E) They consist of short repeated nucleotide sequences.

Question

Quizplus · Accepted Answer

STRs (short tandem repeats) consist of short repeated nucleotide sequences, but they do not consist of differences in DNA sequences that are only one nucleotide long. This describes SNPs (single nucleotide polymorphisms).

Which of the Following Statements About STRs Is FALSE