DNA Marker Index information for Chromosome: Y Marker: Y4142Names and Aliases for this DNA Marker: Y4142, FGC20052, rs762100124.Chromosome Position in hg38 Human Genome assembly1: 8256713.Chromosome Position in hg19 assembly2: 8124754 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.