DNA Marker Index information for Chromosome: Y Marker: ZS4004.1Names and Aliases for this DNA Marker: ZS4004.1, ZS4004, BY261.Chromosome Position in hg38 Human Genome assembly1: 20080990.Chromosome Position in hg19 assembly2: 22242876 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.