DNA Marker Index information for Chromosome: Y Marker: B336.1Names and Aliases for this DNA Marker: B336.1, B336, rs747121271.Chromosome Position in hg38 Human Genome assembly1: 3022122.Chromosome Position in hg19 assembly2: 2890163 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.