DNA Marker Index information for Chromosome: Y Marker: A20424.1Names and Aliases for this DNA Marker: A20424.1, A20424.Chromosome Position in hg38 Human Genome assembly1: 8390252.Chromosome Position in hg19 assembly2: 8258293 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.