noun
gene mutation
Technical term in genetics for a permanent alteration in the DNA sequence of a gene.
遺伝子突然変異は進化の原動力の一つと考えられている。
Gene mutations are considered one of the driving forces of evolution.
突然変異 is the broader term for 'mutation', while 遺伝子突然変異 specifically refers to mutations at the gene level.
Compound of 遺伝子 (gene) and 突然変異 (mutation). The exact historical derivation is uncertain; the term is a modern scientific coinage.