ChrX-STR.org 2.0
This database covers many issues concerning the usage of X-chromosomal markers for forensic purpose

Useful links

•	National Center for Biotechnology Information	http://www.ncbi.nlm.nih.gov
•	The Marshfield Center for Medical Genetics - Comprehensive human genetic maps	http://www.marshfieldclinic.org/patients/default.aspx?page=geneticServices_locations
•	Ensemble Human Genom Browser	http://www.ensembl.org/Homo_sapiens/
•	YHRD - Y Chromosome Haplotype Reference Database	http://www.yhrd.org
•	Distribution of the Human DNA-PCR Polymorphisms	http://www.uni-duesseldorf.de/WWW/MedFak/Serology/database.html
•	Short Tandem Repeat DNA Internet DataBase	http://www.cstl.nist.gov/biotech/strbase/
•	Rutges Map v.2	http://compgen.rutgers.edu/maps/

Populations: 44
Marker: 55
Allele frequencies: 2855