DNA Marker Index information for Chromosome: Y Marker: BY4140.1Names and Aliases for this DNA Marker: BY4140.1, BY4140.Chromosome Position in hg38 Human Genome assembly1: 7046375.Chromosome Position in hg19 assembly2: 6914416 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.