DNA Marker Index information for Chromosome: Y Marker: L823Names and Aliases for this DNA Marker: L823, YSC0000212, rs901404634.Chromosome Position in hg38 Human Genome assembly1: 18652819.Chromosome Position in hg19 assembly2: 20814705 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.