DNA Marker Index information for Chromosome: Y Marker: S20873.1Names and Aliases for this DNA Marker: S20873.1, S20873.Chromosome Position in hg38 Human Genome assembly1: 16142184.Chromosome Position in hg19 assembly2: 18254064 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.