DNA Marker Index information for Chromosome: Y Marker: FTG18687Names and Aliases for this DNA Marker: FTG18687, rs921265123.Chromosome Position in hg38 Human Genome assembly1: 11871600.Chromosome Position in hg19 assembly2: 13992306 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.