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A 'Y-STR' is a short tandem repeat (STR) on the Y chromosome. Y-STRs are often designated by DYS numbers.

Y-STRs are often used in genealogical DNA testing.

See also

• List of DYS markers
• Tandem repeat
• Genealogical DNA test
• List of Y-STR public databases

External links

Diagrams

• http://www.cstl.nist.gov/biotech/strbase/ystrpos1.htm National Institute of Standards and Technology (NIST) — Y STR Positions along Y Chromosome

Fact sheets

• http://www.cstl.nist.gov/biotech/strbase/ystr_fact.htm National Institute of Standards and Technology (NIST) — Summary List of Y Chromosome STR Loci and Available Fact Sheets
• http://www.cstl.nist.gov/div831/strbase/str_fact.htm National Institute of Standards and Technology (NIST) — STR Fact Sheets
• http://dna.reinyday.com/464/ dna.reinyday.com — DYS464

Databases

• http://www.yhrd.org/ yhrd.org — Y-STR Haplotype Reference Database
• http://www.ysearch.org/ ysearch.org — T-DNA database
• http://www.ybase.org/ ybase.org — Y-chromosome marker database

Category:Repetitive DNA sequences Category:Genetic genealogy