DNA Marker Index information for Chromosome: Y Marker: BY277.1Names and Aliases for this DNA Marker: BY277.1, BY277, Y9157, rs755845966.Chromosome Position in hg38 Human Genome assembly1: 16664547.Chromosome Position in hg19 assembly2: 18776427 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.