遗传分类学

例句：

1. 1. Genetics is a field of study that focuses on the study of heredity and variation in living organisms.
   遗传学是研究遗传和生物变异的学科。
2. 2. Taxonomy is the branch of science that deals with the classification of organisms based on theirphysical characteristics.
   分类学是科学的一个分支，它根据生物的物理特征来对生物进行分类。
3. 3. In genetics, scientists study how traits are passed down from parents to offspring.
   在遗传学中，科学家们研究如何将特性从父母传递给后代。