DNA Marker Index information for Chromosome: Y Marker: FGC18740Names and Aliases for this DNA Marker: FGC18740, Y5961.Chromosome Position in hg38 Human Genome assembly1: 8478313.Chromosome Position in hg19 assembly2: 8346354 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.