DNA Marker Index information for Chromosome: Y Marker: Y25251.1Names and Aliases for this DNA Marker: Y25251.1, Y25251.Chromosome Position in hg38 Human Genome assembly1: 20132650.Chromosome Position in hg19 assembly2: 22294536 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.