DNA Marker Index information for Chromosome: Y Marker: FGC21991Names and Aliases for this DNA Marker: FGC21991, rs1348831593.Chromosome Position in hg38 Human Genome assembly1: 6727328.Chromosome Position in hg19 assembly2: 6595369 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.