DNA Marker Index information for Chromosome: Y Marker: BY7749.1Names and Aliases for this DNA Marker: BY7749.1, BY7749.Chromosome Position in hg38 Human Genome assembly1: 14138447.Chromosome Position in hg19 assembly2: 16250327 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.