DNA Marker Index information for Chromosome: Y Marker: BY550Names and Aliases for this DNA Marker: BY550, Y10697, rs1390152309.Chromosome Position in hg38 Human Genome assembly1: 7818498.Chromosome Position in hg19 assembly2: 7686539 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.