DNA Marker Index information for Chromosome: Y Marker: L2Names and Aliases for this DNA Marker: L2, S139, L2, rs2566671.Chromosome Position in hg38 Human Genome assembly1: 5887509.Chromosome Position in hg19 assembly2: 5755550 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.