DNA Marker Index information for Chromosome: Y Marker: Z4749.1Names and Aliases for this DNA Marker: Z4749.1, Z4749, rs906172651.Chromosome Position in hg38 Human Genome assembly1: 3385802.Chromosome Position in hg19 assembly2: 3253843 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.