DNA Marker Index information for Chromosome: Y Marker: YP340Names and Aliases for this DNA Marker: YP340, FGC2566, M12435, rs561954045.Chromosome Position in hg38 Human Genome assembly1: 7870743.Chromosome Position in hg19 assembly2: 7738784 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.