DNA Marker Index information for Chromosome: Y Marker: MF251023Names and Aliases for this DNA Marker: MF251023, rs1031931863.Chromosome Position in hg38 Human Genome assembly1: 12281746.Chromosome Position in hg19 assembly2: 14402449 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.