DNA Marker Index information for Chromosome: Y Marker: Y81989.1Names and Aliases for this DNA Marker: Y81989.1, Y81989.Chromosome Position in hg38 Human Genome assembly1: 4558583.Chromosome Position in hg19 assembly2: 4426624 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.