DNA Marker Index information for Chromosome: Y Marker: Y20162.3Names and Aliases for this DNA Marker: Y20162.3, BY4237.3, rs949693289.Chromosome Position in hg38 Human Genome assembly1: 7456890.Chromosome Position in hg19 assembly2: 7324931 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.