DNA Marker Index information for Chromosome: Y Marker: M458Names and Aliases for this DNA Marker: M458, PF6241, rs375323198.Chromosome Position in hg38 Human Genome assembly1: 22220317.Chromosome Position in hg19 assembly2: 24366464 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.