Transgenic Plant
Transgenic plants

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

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

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