DNA Marker Index information for Chromosome: Y Marker: L142Names and Aliases for this DNA Marker: L142.1, L142, L142.2, rs534320345.Chromosome Position in hg38 Human Genome assembly1: 6885265.Chromosome Position in hg19 assembly2: 6753306 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.