DNA Marker Index information for Chromosome: Y Marker: Z438.1Names and Aliases for this DNA Marker: Z438.1, Z438, FGC6720, rs1372066326.Chromosome Position in hg38 Human Genome assembly1: 20343954.Chromosome Position in hg19 assembly2: 22505840 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.