Genetics is the study of genes, heredity, and the variation of inherited characteristics. It is a branch of biology that focuses on how traits are passed from parent to offspring and how traits are influenced by the environment.

Genomics is the study of the entire genome of an organism, including all of its genes and their functions. It is a broad field that encompasses genetics, as well as other disciplines such as molecular biology, bioinformatics, and evolutionary biology.

One key difference between genomics and genetics is the scope of the study. Genetics focuses on the inheritance of individual traits, while genomics looks at the entire genome and how it functions as a whole. Another difference is that genetics is primarily concerned with the study of inherited traits in individual organisms, while genomics looks at the genomic differences between different species and how they evolved.

Genomics has become a rapidly growing field in recent years, due in part to advances in DNA sequencing technology that have made it possible to analyze entire genomes quickly and inexpensively. These advances have led to a greater understanding of the genetic basis of diseases and other traits, and have also enabled the development of personalized medicine, which takes into account an individual's unique genetic makeup when designing treatment plans.