Holliday junction

== English == === Etymology === Named after Robin Holliday, who proposed it in 1964 to account for homologous recombination in Ustilago maydis. === Noun === Holliday junction (plural Holliday junctions) (genetics) A junction between four strands of DNA. They are a key intermediate in many types of genetic recombination, as well as in double-strand break repair. ==== Synonyms ==== cruciform