DNA Marker Index information for Chromosome: Y Marker: S4031Names and Aliases for this DNA Marker: S4031, S5696, rs774480420.Chromosome Position in hg38 Human Genome assembly1: 19718089.Chromosome Position in hg19 assembly2: 21879975 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.