DNA Marker Index information for Chromosome: Y Marker: A10642.1Names and Aliases for this DNA Marker: A10642.1, A10642, rs903441748.Chromosome Position in hg38 Human Genome assembly1: 7882707.Chromosome Position in hg19 assembly2: 7750748 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.