DNA Marker Index information for Chromosome: Y Marker: ACT623.1Names and Aliases for this DNA Marker: ACT623.1, ACT623.Chromosome Position in hg38 Human Genome assembly1: 5309034.Chromosome Position in hg19 assembly2: 5177075 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.