Transgenic Plant
Transgenic plants

are used to produce human antibodies
both (a) and (b)
are plants that differ in geographical locations
contain foreign genes in their cells

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Transgenic Plant
Low temperatures induce the expression of many cold-induced genes. Transgenic plants with improved cold tolerance have been produced by

increasing evaporative cooling from leaf surfaces
expressing a gene for production of antifreeze (ethylene glycol) in plants
cooling plants using the Peltier effect
expressing the protein that activates expression of these genes all the time in plants

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