DNA Marker Index information for Chromosome: Y Marker: Y21287Names and Aliases for this DNA Marker: Y21287, FGC46761, rs757686262.Chromosome Position in hg38 Human Genome assembly1: 12291652.Chromosome Position in hg19 assembly2: 14412355 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.