DNA Marker Index information for Chromosome: Y Marker: MF20763Names and Aliases for this DNA Marker: MF20763, FTB9422.Chromosome Position in hg38 Human Genome assembly1: 7103261.Chromosome Position in hg19 assembly2: 6971302 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.