DNA Marker Index information for Chromosome: Y Marker: F7424.5Names and Aliases for this DNA Marker: F7424.5, rs777024621.Chromosome Position in hg38 Human Genome assembly1: 18976884.Chromosome Position in hg19 assembly2: 21138770 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.