DNA Marker Index information for Chromosome: Y Marker: F1803Names and Aliases for this DNA Marker: F1803, M1348, rs369520157.Chromosome Position in hg38 Human Genome assembly1: 12485255.Chromosome Position in hg19 assembly2: 14597055 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.