DNA Marker Index information for Chromosome: Y Marker: MF13639Names and Aliases for this DNA Marker: MF13639.1, MF13639.Chromosome Position in hg38 Human Genome assembly1: 20305087.Chromosome Position in hg19 assembly2: 22466973 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.