This authored book is focused on SDG 14: Life below water, comprehensively addressing all facets of biotechnology and bioinformatics related to fisheries. It offers an extensive exploration of the detail on structure, function and types of nucleic acids, concepts of gene and genetic code, mutations, and their implications. The book provides essential information on gene regulation and expression in prokaryotes and eukaryotes. Step-by-step descriptions are provided for technologies such as gene transfer, rDNA, transgenic fish production, animal cell culture, hybridoma technology and...