DNA Marker Index information for Chromosome: Y Marker: S17720.1Names and Aliases for this DNA Marker: S17720.1, S17720.Chromosome Position in hg38 Human Genome assembly1: 13798284.Chromosome Position in hg19 assembly2: 15910164 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.