Genes and Genetic Variation

5 important questions on Genes and Genetic Variation

What are some issues with GM crops?

Costs more, gene can transfer to the weeds, less food for insects

What is an advantage of using tissue culture instead of cuttings?

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How are GM plants/animals created?

The desirable gene is cut out and then spliced into the animal/plant in an early stage of development so the gene is able to alter characteristics
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What are the advantages of GM crops?

Less effort for farmer, no pesticides that can be washed away, less insects to eat the crop, greater yield

What are the disadvantages of GM crops?

Other insects are killed, some crops don't get pollinated, possible harm to humans/animals, damage to food chains, gene may spread to other species

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