genetic background的用法和样例：
例句
- The authors hypothesize that an individual's genetic background determines the initial susceptibility to aortic dissection.
作者猜测可能是个体的遗传背景决定了主动脉壁夹层形成的最初易感性。 - The genetic background on which the null mutations are expressed is a major determinant for alcohol tolerance of the heterozygous adult flies.
无效突变表达的遗传背景是杂合果蝇醇耐受性的主要决定因素。
