DNA Marker Index information for Chromosome: Y Marker: MF20720.1Names and Aliases for this DNA Marker: MF20720.1, MF20720.Chromosome Position in hg38 Human Genome assembly1: 6785457.Chromosome Position in hg19 assembly2: 6653498 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.