DNA Marker Index information for Chromosome: Y Marker: Y31870.2Names and Aliases for this DNA Marker: Y31870.2, rs997625413.Chromosome Position in hg38 Human Genome assembly1: 21300300.Chromosome Position in hg19 assembly2: 23462186 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.