The significance of classical genetics lies in its foundational principles that explain the inheritance of traits. Pioneered by Gregor Mendel, the study of classical genetics introduced concepts such as differential inheritance and the segregation of alleles. This framework underpins modern genetic studies, influencing our understanding of gene function, genetic disorders, and evolutionary biology. Classical genetics also serves as the basis for breeding programs and agricultural advancements, ensuring traits favorable for cultivation. Overall, classical genetics remains essential for unraveling biological complexities.