DNA Marker Index information for Chromosome: Y Marker: BY4231.1Names and Aliases for this DNA Marker: BY4231.1, BY4231.Chromosome Position in hg38 Human Genome assembly1: 8051274.Chromosome Position in hg19 assembly2: 7919315 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.