DNA Marker Index information for Chromosome: Y Marker: JFS0149.1Names and Aliases for this DNA Marker: JFS0149.1, JFS0149, Y131042.Chromosome Position in hg38 Human Genome assembly1: 7982979.Chromosome Position in hg19 assembly2: 7851020 .Ancestral marker allele value: T .Derived, alternative, or mutated marker allele value: C.