DNA Marker Index information for Chromosome: Y Marker: M157.1Names and Aliases for this DNA Marker: M157.1, M157, rs374253281.Chromosome Position in hg38 Human Genome assembly1: 19705968.Chromosome Position in hg19 assembly2: 21867854 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.