DNA Marker Index information for Chromosome: Y Marker: Z25149.1Names and Aliases for this DNA Marker: Z25149.1, Z25149, rs750636025.Chromosome Position in hg38 Human Genome assembly1: 19283442.Chromosome Position in hg19 assembly2: 21445328 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.