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Question
Which best describes a transgenic organism?
Options
One that acts as the donor for DNA to be moved into another organism
One produced by cloning a mutant cell
One that contains a foreign gene and is free-living in the environment
Any genetically modified organism resulting from laboratory research
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Solution
One that contains a foreign gene and is free-living in the environment
Explanation:
A transgenic organism is one in which a foreign gene has been artificially transferred into its genome, enabling it to express new traits. This foreign gene is introduced via recombinant DNA technology and is incorporated so that the organism can live and reproduce with this new genetic information. For example, bacteria engineered to produce human insulin are transgenic organisms. This definition distinguishes transgenic organisms from merely genetically modified ones that may not be free-living or contain foreign genes in a stable way.
