DNA Marker Index information for Chromosome: Y Marker: BY7561.1Names and Aliases for this DNA Marker: BY7561.1, BY7561, PH252, rs748664810.Chromosome Position in hg38 Human Genome assembly1: 6995607.Chromosome Position in hg19 assembly2: 6863648 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.