DNA Marker Index information for Chromosome: Y Marker: MF20678.1Names and Aliases for this DNA Marker: MF20678.1, MF20678.Chromosome Position in hg38 Human Genome assembly1: 4134787.Chromosome Position in hg19 assembly2: 4002828 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.