DNA Marker Index information for Chromosome: Y Marker: BY44777Names and Aliases for this DNA Marker: BY44777, Y146994, rs1313589857.Chromosome Position in hg38 Human Genome assembly1: 21383785.Chromosome Position in hg19 assembly2: 23545671 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.