DNA Marker Index information for Chromosome: Y Marker: Y21409.2Names and Aliases for this DNA Marker: Y21409.2, rs749435992.Chromosome Position in hg38 Human Genome assembly1: 7325889.Chromosome Position in hg19 assembly2: 7193930 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.