DNA Marker Index information for Chromosome: Y Marker: BY12018.1Names and Aliases for this DNA Marker: BY12018.1, BY12018.Chromosome Position in hg38 Human Genome assembly1: 21852578.Chromosome Position in hg19 assembly2: 23998725 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.