The majority of research involving genetically modified mammals involves __________ with attempts to produce knockout animals in other mammalian species limited by the inability to derive and stably culture embryonic stem cells.
A. rats
B. mice
C. fish
D. rabbits
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The majority of genetically modified animals are used in research to investigate changes in _____________ when specific genes are altered. This can be used to discover the function of an unknown gene, any genetic interactions that occur or where the gene is expressed.
A. genotype
B. phenotype
C. function
D. body size
In ______, the AquAdvantage salmon was approved by the US FDA for commercial production, sale and consumption, making it the first genetically modified animal to be approved for human consumption.
A. 2010
B. 2013
C. 2015
D. 2017
One of the objectives for developing plants based on GM organisms is to improve crop protection. The GM crops currently on the market are mainly aimed at an increased level of crop protection through the introduction of ____________ against plant diseases caused by insects or viruses or through increased tolerance towards herbicides.
A. sensitivity
B. resistance
C. tolerance
D. robustness
Resistance against insects is achieved by incorporating into the food plant the gene for toxin production from the bacterium Bacillus thuringiensis (Bt). This toxin is currently used as a conventional _____________ in agriculture and is safe for human consumption.
A. drug
B. antibiotics
C. insecticide
D. antkiller