genetic fitness

例句：

1. 1.The genetic fitness of the species is a crucial factor in its survival and reproduction.
   物种的遗传适应性是其生存和繁殖的关键因素。
2. 2.The study of genetic fitness has led to new insights into the evolution of life.
   遗传适应性的研究为生命进化提供了新的见解。
3. 3.The genetic fitness of the population can be influenced by various factors, including environmental conditions and genetic mutations.
   群体的遗传适应性可以受到各种因素的影响，包括环境条件和基因突变。