diversity gene

synonym: D gene
https://doi.org/10.1351/goldbook.13098
Small segment of immunoglobulin (Ig) heavy-chain or T-cell receptor DNA between the variable (V) gene and joining (J) gene segments, coding for the third hypervariable region of the receptors.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1158 [Terms] [Paper]