DNA Marker Index information for Chromosome: Y Marker: Y20755.1Names and Aliases for this DNA Marker: Y20755.1, Y20755.Chromosome Position in hg38 Human Genome assembly1: 12544320.Chromosome Position in hg19 assembly2: 14656255 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.