Query (optional) in Class All Allele Author Colleague Collection Assembly Gene Gene Class Gene Product Germplasm Image Journal Keyword Library Locus Map Map Data Marker Pathology Polymorphism Probe Protein QTL Rearrangement Reference Sequence Species Trait Trait Study Two Point Data GrainGenes Marker Report: Operon O4[Submit comment/correction] ProbeOperon O4 LocusO4.1s TypePCR PCR primersAAGTCCGCTC PolymorphismO4 Stoffel