DNA Marker Index information for Chromosome: Y Marker: FGC13503Names and Aliases for this DNA Marker: FGC13503, Z17823.Chromosome Position in hg38 Human Genome assembly1: 20109630.Chromosome Position in hg19 assembly2: 22271516 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.