DNA Marker Index information for Chromosome: Y Marker: FGC48831Names and Aliases for this DNA Marker: FGC48831, rs958258607.Chromosome Position in hg38 Human Genome assembly1: 6800918.Chromosome Position in hg19 assembly2: 6668959 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.