DNA Marker Index information for Chromosome: Y Marker: Z42172.2Names and Aliases for this DNA Marker: Z42172.2, Y27664.2.Chromosome Position in hg38 Human Genome assembly1: 17139947.Chromosome Position in hg19 assembly2: 19251827 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.