DNA Marker Index information for Chromosome: Y Marker: S4923Names and Aliases for this DNA Marker: S4923, A30930, rs780798443.Chromosome Position in hg38 Human Genome assembly1: 15422450.Chromosome Position in hg19 assembly2: 17534330 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.