DNA Marker Index information for Chromosome: Y Marker: Y240540.1Names and Aliases for this DNA Marker: Y240540.1, Y240540, FTA32554.2.Chromosome Position in hg38 Human Genome assembly1: 18903787.Chromosome Position in hg19 assembly2: 21065673 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.