DNA Marker Index information for Chromosome: Y Marker: FGC45338Names and Aliases for this DNA Marker: FGC45338, Y20319, rs988239781.Chromosome Position in hg38 Human Genome assembly1: 15948859.Chromosome Position in hg19 assembly2: 18060739 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.