DNA Marker Index information for Chromosome: Y Marker: MPB338Names and Aliases for this DNA Marker: MPB338, Y6677, FGC16214, F5621, rs973004443.Chromosome Position in hg38 Human Genome assembly1: 2815428.Chromosome Position in hg19 assembly2: 2683469 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.