DNA Marker Index information for Chromosome: Y Marker: M34Names and Aliases for this DNA Marker: M34, PF2022, rs373666971.Chromosome Position in hg38 Human Genome assembly1: 19578830.Chromosome Position in hg19 assembly2: 21740716 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.