age of a mutant gene

• 突变基因寿命

age of a mutant gene的用法和样例：

例句

1. A disease caused by the presence of two recessive mutant genes on an autosome.
   由于常染色体上出现突变基因而导致的疾病。
2. And the haplotype that includes the mutated gene will likewise get whittled down with each subsequent recombination.
   每一次染色体重组，包含了突变基因的单纯型也会越来越短。