Common Ancestor Websites:

  • yhrd.org

    YHRD : Y-Chromosome STR Haplotype Reference Database

    Y-STR Haplotype Reference Database (YHRD) is a searchable worldwide database of Y-STR Haplotypes in various formats along with tools build upon their distribution.

  • ystr.org

    YHRD : Y-Chromosome STR Haplotype Reference Database

    Y-STR Haplotype Reference Database (YHRD) is a searchable worldwide database of Y-STR Haplotypes in various formats along with tools build upon their distribution.