DNA Marker Index information for Chromosome: Y Marker: BY20126.1Names and Aliases for this DNA Marker: BY20126.1, BY20126, FGC66784.2.Chromosome Position in hg38 Human Genome assembly1: 8300791.Chromosome Position in hg19 assembly2: 8168832 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.