gene polymorphism; genetic polymorphism
Technical term in genetics referring to the occurrence of two or more alleles at a locus within a population.
Gene polymorphism is one factor contributing to genetic diversity within a population.
突然変異 refers to a mutation (a change in DNA sequence), while 遺伝子多型 refers to the existence of multiple common variants (polymorphisms) in a population.
Compound of 遺伝子 (gene) and 多型 (polymorphism). The term is a direct translation of the English 'gene polymorphism'.