DNA Marker Index information for Chromosome: Y Marker: A2051.1Names and Aliases for this DNA Marker: A2051.1, A2051, Y12668, Y12668.1.Chromosome Position in hg38 Human Genome assembly1: 20353725.Chromosome Position in hg19 assembly2: 22515611 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.