DNA Marker Index information for Chromosome: Y Marker: Y33751.1Names and Aliases for this DNA Marker: Y33751.1, Y33751, rs991030751.Chromosome Position in hg38 Human Genome assembly1: 16704338.Chromosome Position in hg19 assembly2: 18816218 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.