DNA Marker Index information for Chromosome: Y Marker: M11421.1Names and Aliases for this DNA Marker: M11421.1, M11421, rs550318723.Chromosome Position in hg38 Human Genome assembly1: 15206933.Chromosome Position in hg19 assembly2: 17318813 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.