DNA Marker Index information for Chromosome: Y Marker: BY1031Names and Aliases for this DNA Marker: BY1031, Y7928, rs76923029.Chromosome Position in hg38 Human Genome assembly1: 11704727.Chromosome Position in hg19 assembly2: 13825433 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.