DNA Marker Index information for Chromosome: Y Marker: Y138490.1Names and Aliases for this DNA Marker: Y138490.1, Y138490.Chromosome Position in hg38 Human Genome assembly1: 7128675.Chromosome Position in hg19 assembly2: 6996716 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.