Final answer:
Tissue culture involves growing cells or tissues outside the organism's body for various purposes such as vaccine production and plant propagation.
Explanation:
Tissue culture involves the propagation of cells or tissues in a controlled environment outside the organism's body, using nutrient-rich culture media. This process takes advantage of the totipotency of somatic cells, enabling the development of whole plants from specialized cells. Various applications of tissue cultures include the production of vaccines, hormones, and studying viral infections.
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