DNA Marker Index information for Chromosome: Y Marker: S25020Names and Aliases for this DNA Marker: S25020, Z6862, rs1034702913.Chromosome Position in hg38 Human Genome assembly1: 20870142.Chromosome Position in hg19 assembly2: 23032028 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.