DNA Marker Index information for Chromosome: Y Marker: MF16681Names and Aliases for this DNA Marker: MF16681, Y125673, rs1434743633.Chromosome Position in hg38 Human Genome assembly1: 21385423.Chromosome Position in hg19 assembly2: 23547309 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.