The Recombination Activating Gene, known as RAG, is essential for the development and function of the immune system in humans and other vertebrates. However, despite its important role, there are few synonyms for this gene. One such term is V(D)J recombination, which refers to the process by which RAG enzymes catalyze DNA recombination events that lead to the creation of diverse antigen receptors on lymphocytes. Some researchers may also use the term RAG genes or RAG1/RAG2 to refer to these enzymes. While the term "recombination activating gene" may be the most commonly used name for this gene, alternative synonyms like V(D)J recombination or RAG genes can add clarity and specificity in the context of scientific research.