DNA Marker Index information for Chromosome: Y Marker: Y12421Names and Aliases for this DNA Marker: Y12421, Z19548, rs760695627.Chromosome Position in hg38 Human Genome assembly1: 2983787.Chromosome Position in hg19 assembly2: 2851828 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.