DNA Marker Index information for Chromosome: Y Marker: FGC72646Names and Aliases for this DNA Marker: FGC72646, Y135305.Chromosome Position in hg38 Human Genome assembly1: 21839703.Chromosome Position in hg19 assembly2: 23985850 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.