DNA Marker Index information for Chromosome: Y Marker: CTS661Names and Aliases for this DNA Marker: CTS661, L1272_1, L1272, rs374243244.Chromosome Position in hg38 Human Genome assembly1: 7063919.Chromosome Position in hg19 assembly2: 6931960 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.