Genetic engineering deliberately modifies genetic material or its operation. It includes introducing a sequence, removing a gene or changing regulation with targeted molecular tools. A gene knockout tests consequences of losing functional output, while a modified regulatory sequence can change timing or tissue specificity. Interpretation requires verifying the resulting sequence and expression: delivery of a construct alone does not establish the intended genetic or phenotypic change. [ref]
Molecular Biology of the Cell, 4th edition by Bruce Alberts and others. Chapter 8, Manipulating Proteins, DNA, and RNA
Genetic engineering, also known as genetic modification or gene editing, is a biotechnological process that involves the direct manipulation of an organism's genes. This can include altering, removing, or adding specific segments of DNA in an organism's genome to achieve desired traits or characteristics. Genetic engineering is employed across various fields, including agriculture, medicine, and research.
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