Which of the following statements regarding short tandem repeats (STRs) is false?
A) STRs are inherited.
B) STRs are the result of a single nucleotide base mutation.
C) The FBI uses 13 STR loci in its CODIS database to solve crimes.
D) STRs were used to confirm the execution of Tsar Nicholas II and his family.
E) DNA fingerprinting usually involves STR analysis.

Question

Quizplus · Accepted Answer

Short tandem repeats (STRs) are not the result of a single nucleotide base mutation, but rather are regions of DNA where a short sequence of nucleotides is repeated a variable number of times. The other statements are true: STRs are inherited, the FBI uses STR analysis in its CODIS database, STRs were used to confirm the identity of the remains of the Romanovs, and DNA fingerprinting often involves analyzing STR loci.

Which of the Following Statements Regarding Short Tandem Repeats (STRs)