DNA Marker Index information for Chromosome: Y Marker: FGC74518Names and Aliases for this DNA Marker: FGC74518, A1555.Chromosome Position in hg38 Human Genome assembly1: 9999790.Chromosome Position in hg19 assembly2: 9837399 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.