What is genetically-modified food?

Genetically-modified food refers to food products that are derived from organisms, including plants, animals, and microorganisms, that have been altered through modern biotechnology. This process often involves the manipulation of DNA to introduce desirable traits, such as increased resistance to pests, enhanced nutritional content, or improved shelf life. The key aspect that distinguishes genetically-modified food is the use of recombinant DNA techniques, which enable the specific alteration of an organism's genetic material to achieve targeted improvements.

The other options do not accurately describe genetically-modified food. Traditional farming methods and processed foods with additives do not involve genetic modification. Additionally, the definition of food that contains no organisms does not pertain to genetically-modified food, as such food is derived from living organisms whose genetics have been intentionally modified. Thus, the correct answer captures the essence of what genetically-modified food truly is in the context of modern agricultural practices.