DNA Marker Index information for Chromosome: Y Marker: S4784.1Names and Aliases for this DNA Marker: S4784.1, S4784.Chromosome Position in hg38 Human Genome assembly1: 20700744.Chromosome Position in hg19 assembly2: 22862630 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.