DNA Marker Index information for Chromosome: Y Marker: FGC18422Names and Aliases for this DNA Marker: FGC18422, rs953649674.Chromosome Position in hg38 Human Genome assembly1: 20511525.Chromosome Position in hg19 assembly2: 22673411 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.