DNA Marker Index information for Chromosome: Y Marker: FTA20683.1Names and Aliases for this DNA Marker: FTA20683.1, FTA20683.Chromosome Position in hg38 Human Genome assembly1: 20943570.Chromosome Position in hg19 assembly2: 23105456 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.