DNA Marker Index information for Chromosome: Y Marker: A641.1Names and Aliases for this DNA Marker: A641.1, A641, FGC19598.1, FGC19598, rs753846988.Chromosome Position in hg38 Human Genome assembly1: 21314138.Chromosome Position in hg19 assembly2: 23476024 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.