DNA Marker Index information for Chromosome: Y Marker: L19Names and Aliases for this DNA Marker: L19, PF2345, V257, rs546062461.Chromosome Position in hg38 Human Genome assembly1: 12363865.Chromosome Position in hg19 assembly2: 14484596 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.