DNA Marker Index information for Chromosome: Y Marker: Y136742.1Names and Aliases for this DNA Marker: Y136742.1, Y136742.Chromosome Position in hg38 Human Genome assembly1: 16449388.Chromosome Position in hg19 assembly2: 18561268 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.