DNA Marker Index information for Chromosome: Y Marker: MF40260Names and Aliases for this DNA Marker: MF40260, rs1000955799.Chromosome Position in hg38 Human Genome assembly1: 8969604.Chromosome Position in hg19 assembly2: 8837645 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.