DNA Marker Index information for Chromosome: Y Marker: CTS4187.1Names and Aliases for this DNA Marker: CTS4187.1, CTS4187, rs774942935.Chromosome Position in hg38 Human Genome assembly1: 13348174.Chromosome Position in hg19 assembly2: 15460054 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.