Genetic Engineering (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is genetic engineering?
What is genetic engineering?
Altering genes by adding one from another organism
What are restriction enzymes used for in genetic engineering?
What are restriction enzymes used for in genetic engineering?
Cutting out the desired gene from DNA
What are sticky ends?
What are sticky ends?
Unpaired bases created when DNA is cut
What is a plasmid?
What is a plasmid?
Circular DNA used as a vector
What joins the sticky ends together during gene insertion?
What joins the sticky ends together during gene insertion?
DNA ligase enzymes
Why do plasmids contain an antibiotic resistance marker?
Why do plasmids contain an antibiotic resistance marker?
To identify successful modifications
Which cells are used for introducing modified genes into plants?
Which cells are used for introducing modified genes into plants?
Meristematic (unspecialised) cells
What substance can genetically modified bacteria produce for medical use?
What substance can genetically modified bacteria produce for medical use?
Insulin for diabetes treatment
What are two benefits of GM crops?
What are two benefits of GM crops?
Insect resistance and herbicide tolerance
What is gene therapy?
What is gene therapy?
Adding normal genes to correct genetic disorders
How can genetic engineering help with nutritional deficiencies?
How can genetic engineering help with nutritional deficiencies?
Crops with added vitamins in scarce areas
What is a risk of GM crops regarding pests?
What is a risk of GM crops regarding pests?
Could create super weeds and pests