Summary
Genetically modified organisms with DNA changed by engineering, such as pest-resistant Bt corn.
In depth
Examples: Bt corn, Golden Rice, virus-resistant papaya and herbicide-tolerant soy. Benefits: higher yields, less pesticide, nutrition. Concerns: gene flow, resistant pests, corporate control. Scientific consensus is that approved GM foods are as safe to eat as conventional ones.
GM crops are tested for substrate equivalence, toxicity and allergenicity before approval. Broad adoption has occurred for soy, maize, cotton and canola. Debates concern labelling, patents and ecological effects.
Remember: scientific and regulatory evaluation is case by case, not 'all GMOs'.
Frequently asked questions
What is GMOs?
Genetically modified organisms with DNA changed by engineering, such as pest-resistant Bt corn.
Which area of biology covers GMOs, and how advanced is it?
GMOs is one of the 56 topics in Biotechnology & Genomics. It is rated Beginner, so it suits learners who are starting out in biology. Related topics in this area include Industrial Fermentation, Genetic Engineering, Biofuels.
Can you give an example of GMOs?
Labelling rules differ across countries.
What should I learn before GMOs?
GMOs is a Beginner topic, so no earlier topic is required. Other Beginner topics in Biotechnology & Genomics that pair well with it include Biotechnology, Genetic Engineering, Selective Breeding.
What topics are related to GMOs?
The closest topics to GMOs are Industrial Fermentation, Genetic Engineering, Biofuels, Gene Drives. Comparing them side by side is a good way to see how the ideas connect.
How can I check that I understand GMOs?
Read the summary and the in-depth section, then use the quick check on the interactive lesson for GMOs. To practise the whole of Biotechnology & Genomics, use the Biotechnology & Genomics quiz.
How is GMOs different from Industrial Fermentation?
GMOs: Genetically modified organisms with DNA changed by engineering, such as pest-resistant Bt corn. Industrial Fermentation: Large bioreactors use microbes to produce antibiotics, enzymes, foods and fuels. Read both side by side and note what each one explains.
How should I study GMOs step by step?
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Industrial Fermentation and explain the difference aloud. Finally, take the Biotechnology & Genomics quiz and come back to this page for any question you miss.