DNA Marker Index information for Chromosome: Y Marker: FGC55643Names and Aliases for this DNA Marker: FGC55643, rs1313354241.Chromosome Position in hg38 Human Genome assembly1: 18947543.Chromosome Position in hg19 assembly2: 21109429 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.