/əˈli:l ||; əˈlil/noun [C] (
technical术语) one of two or more possible forms of a
GENE(= one of the units of information that control what a living thing will be like)that are found at the same position on a
CHROMOSOME(= one of the parts of every cell of a living thing that contain a particular combination of genes) 对偶基因,等位基因(存在于染色体的同一位置上)