DNA Marker Index information for Chromosome: Y Marker: FGC13975Names and Aliases for this DNA Marker: FGC13975, Y4413, Z18427, rs757493057.Chromosome Position in hg38 Human Genome assembly1: 9144747.Chromosome Position in hg19 assembly2: 8982356 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.