DNA Marker Index information for Chromosome: Y Marker: Y27503.1Names and Aliases for this DNA Marker: Y27503.1, Y27503.Chromosome Position in hg38 Human Genome assembly1: 7779253.Chromosome Position in hg19 assembly2: 7647294 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.