DNA Marker Index information for Chromosome: Y Marker: BTL980777Names and Aliases for this DNA Marker: BTL980777, 25345629-G-A.Chromosome Position in hg38 Human Genome assembly1: 23199482.Chromosome Position in hg19 assembly2: 25345629 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.