- Referring to new gene sequences, and thus to new heritable information, caused by gene crossovers, occurring naturally in either meiosis or mitosis, or constructed artificially for the purpose of introducing a new trait into an organism or cell line.
- In immunology, random scrambling of specific gene sequences to produce the vast array of possible immunoglobulin and T cell receptor sequences required to recognize, potentially, all possible antigens.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 799 (https://doi.org/10.1515/pac-2015-1202)