From Mendel's peas to CRISPR—how has the field of genetics unfolded and what are its implications for the future? This book examines the evolution of genetics, beginning with Gregor Mendel's early genetic experiments to the discovery of DNA structure and the latest advancements in genetic engineering and genomics. It discusses how genetic research has reshaped our understanding of biology, the development of genetic testing, the controversies surrounding genetic modification, and the potential of genetics in medicine and agriculture. The narrative explores the ethical considerations of genetic interventions and the societal implications of genomic information. By delving into the history and future prospects of genetics, the book provides a comprehensive overview of how genetic knowledge is poised to continue transforming our lives.