DNA Marker Index information for Chromosome: Y Marker: S27900Names and Aliases for this DNA Marker: S27900, FGC39546, rs990701882.Chromosome Position in hg38 Human Genome assembly1: 2813838.Chromosome Position in hg19 assembly2: 2681879 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.