DNA Marker Index information for Chromosome: Y Marker: S18681.1Names and Aliases for this DNA Marker: S18681.1, S18681, rs778691815.Chromosome Position in hg38 Human Genome assembly1: 14587828.Chromosome Position in hg19 assembly2: 16699708 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.