DNA Marker Index information for Chromosome: Y Marker: V4257Names and Aliases for this DNA Marker: V4257, Z36359, rs768855848.Chromosome Position in hg38 Human Genome assembly1: 2982415.Chromosome Position in hg19 assembly2: 2850456 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.