DNA Marker Index information for Chromosome: Y Marker: FGC31390Names and Aliases for this DNA Marker: FGC31390, rs1255032303.Chromosome Position in hg38 Human Genome assembly1: 5819305.Chromosome Position in hg19 assembly2: 5687346 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.