单基因突变 meaning in English

single gene mutation

All f1 seedlings showed wild - type salt - sensibility , and two of four mutants were detected that the proportion of the salt - tolerance seedlings to salt - sensibility seedlings was 1 : 3 in f2 progenys . the results of genetic analysis suggested that this mutants have a monogenic recessive mutation in a nuclear gene
F _ 1代白花授粉所得的f _ 2代中，两个株系抗盐植株与不抗盐植株的比例为1 ： 3 ，表明该突变体是隐性单基因突变体。