DNA Marker Index information for Chromosome: Y Marker: FGC21728Names and Aliases for this DNA Marker: FGC21728, rs906798533.Chromosome Position in hg38 Human Genome assembly1: 20378039.Chromosome Position in hg19 assembly2: 22539925 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.