DNA Marker Index information for Chromosome: Y Marker: DF99Names and Aliases for this DNA Marker: DF99, S11987, Z6001, rs777435145.Chromosome Position in hg38 Human Genome assembly1: 8961450.Chromosome Position in hg19 assembly2: 8829491 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.