DNA Marker Index information for Chromosome: Y Marker: CTS553Names and Aliases for this DNA Marker: CTS553, Z1644, rs756978014.Chromosome Position in hg38 Human Genome assembly1: 6971024.Chromosome Position in hg19 assembly2: 6839065 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.