DNA Marker Index information for Chromosome: Y Marker: FGC42143Names and Aliases for this DNA Marker: FGC42143, rs921357368.Chromosome Position in hg38 Human Genome assembly1: 11494632.Chromosome Position in hg19 assembly2: 13650308 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.