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.
Keywords: evolution, snp, ethnic group, common ancestor
ysearch.org Ysearch
Keywords: dna, mutation, relatives, dna heritage Cohanim