DNA Marker Index information for Chromosome: Y Marker: Y19318Names and Aliases for this DNA Marker: Y19318, Z38856, rs973998551.Chromosome Position in hg38 Human Genome assembly1: 21035017.Chromosome Position in hg19 assembly2: 23196903 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.