How can I use my Y-STR haplotype to search the Y-STR Haplogroup Reference Database?
The excellent Y-STR HRD contains information on many thousands of men’s Y-STR haplotypes in many worldwide populations. By entering your haplotype into the search facility of this database it is possible to find the geographical distribution of individuals with matching haplotypes. Below is a screenshot from the Y-STR search page, which is where you enter your haplotype, using the scroll-down menus to choose the number of repeats at each STR, as listed on the sheet that we sent you. Note that the database does not contain information about haplogroups, nor about all of the Y-STRs we typed: you can enter repeat numbers only for the nine markers DYS19, DYS389I, DYS389II, DYS390, DYS391, DYS392, DYS393, DYS438 and DYS439. After entering your haplotype, press the search button and a map will appear that shows you the geographical distribution of men whose haplotypes match yours. If you get no ‘hits’, you could try removing DYS438 and DYS439 from the search. Note that the Y-STR database doe
