DNA Marker Index information for Chromosome: Y Marker: FGC18401Names and Aliases for this DNA Marker: FGC18401, rs976608137.Chromosome Position in hg38 Human Genome assembly1: 15584881.Chromosome Position in hg19 assembly2: 17696761 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.