DNA Marker Index information for Chromosome: Y Marker: FGC20778Names and Aliases for this DNA Marker: FGC20778, Y14135.Chromosome Position in hg38 Human Genome assembly1: 6936176.Chromosome Position in hg19 assembly2: 6804217 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.