noun
hypermutation
Technical term in genetics and immunology referring to an unusually high rate of mutation, especially in antibody genes.
超変異は抗体の多様性を生み出す重要な仕組みです。
Hypermutation is an important mechanism that generates antibody diversity.
Compound of 超 (chō, 'super-', 'hyper-') and 変異 (hen'i, 'mutation', 'variation'). The term is a direct calque of English 'hypermutation'.