DNA Marker Index information for Chromosome: Y Marker: S4731.2Names and Aliases for this DNA Marker: S4731.2, CTS11131.2.Chromosome Position in hg38 Human Genome assembly1: 20807634.Chromosome Position in hg19 assembly2: 22969520 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.