DNA Marker Index information for Chromosome: Y Marker: BY31431Names and Aliases for this DNA Marker: BY31431, Y128171, rs999176584.Chromosome Position in hg38 Human Genome assembly1: 16665463.Chromosome Position in hg19 assembly2: 18777343 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.