DNA Marker Index information for Chromosome: Y Marker: Y23820.1Names and Aliases for this DNA Marker: Y23820.1, Y23820.Chromosome Position in hg38 Human Genome assembly1: 6655431.Chromosome Position in hg19 assembly2: 6523472 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.