Glossary Term

Short Tandem Repeat

PCR TermsEN

Definition

Area of repetitive DNA within the genome consisting of multiple, end-to-end copies of a short DNA sequence usually comprised of di-, tri-, or tetranucleotide repeat units.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C13441. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Short Tandem RepeatSimple Sequence RepeatSTR

References

NCI Thesaurus 26.09d — Short Tandem Repeat (C13441)
Source: National Cancer Institute, NCI Thesaurus 26.09d, C13441. NCI definition, reproduced without modification under CC BY 4.0.