DNA Marker Index information for Chromosome: Y Marker: FTA2503Names and Aliases for this DNA Marker: FTA2503.1, FTA2503, FTA2503.2, FTA2503.3.Chromosome Position in hg38 Human Genome assembly1: 6885407.Chromosome Position in hg19 assembly2: 6753448 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.