DNA Marker Index information for Chromosome: Y Marker: Y4493.1Names and Aliases for this DNA Marker: Y4493.1, Y4493, Z4133.1, Z4133, rs767814045.Chromosome Position in hg38 Human Genome assembly1: 20415764.Chromosome Position in hg19 assembly2: 22577650 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.