DNA Marker Index information for Chromosome: Y Marker: Z34391Names and Aliases for this DNA Marker: Z34391, Z42478, rs759843920.Chromosome Position in hg38 Human Genome assembly1: 7066062.Chromosome Position in hg19 assembly2: 6934103 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.