DNA Marker Index information for Chromosome: Y Marker: Y17503.1Names and Aliases for this DNA Marker: Y17503.1, Y17503, rs998188757.Chromosome Position in hg38 Human Genome assembly1: 8722899.Chromosome Position in hg19 assembly2: 8590940 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.