Translation guide
An allele is a variant form of a gene. In Japanese, the standard term is 対立遺伝子 (tairitsu idenshi), but the loanword アレル (areru) is also common in scientific contexts.
The standard biological term for one of two or more alternative forms of a gene.
The formal Japanese term for allele, used in textbooks and academic writing.
この遺伝子には複数の対立遺伝子が存在する。
This gene has multiple alleles.
Common loanword from English, widely used in research and casual scientific conversation.
このアレルは病気の原因となる。
This allele causes the disease.
Technically means 'genotype', but sometimes used loosely to refer to allelic variants in context.
Not a direct synonym; use only when the broader genetic makeup is implied.
異なる遺伝子型が表現型の違いを生む。
Different genotypes produce phenotypic differences.