DNA Marker Index information for Chromosome: Y Marker: DF13Names and Aliases for this DNA Marker: DF13, CTS241, S521, rs373989227.Chromosome Position in hg38 Human Genome assembly1: 2968390.Chromosome Position in hg19 assembly2: 2836431 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.