DNA Marker Index information for Chromosome: Y Marker: FGC42105Names and Aliases for this DNA Marker: FGC42105, rs1049232465.Chromosome Position in hg38 Human Genome assembly1: 20350832.Chromosome Position in hg19 assembly2: 22512718 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.