noun
Biology term for a unit of heredity. 遺伝子 is the standard Japanese term; ジーン has a katakana, loanword-style feel and is especially natural in technical, product, or compound contexts.
See also: 遺伝子
このジーンの変異が、病気の原因になることがある。
A mutation in this gene can sometimes cause disease.
研究チームは、免疫に関係
The research team is studying a gene related to immunity.