Genetic Engineering (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
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 genes from others
Which enzymes are used to cut out a desired gene from DNA?
Which enzymes are used to cut out a desired gene from DNA?
Restriction enzymes
What are 'sticky ends' in genetic engineering?
What are 'sticky ends' in genetic engineering?
Unpaired bases
What is a plasmid?
What is a plasmid?
Circular DNA
Which enzyme joins sticky ends together during gene insertion?
Which enzyme joins sticky ends together during gene insertion?
DNA ligase
Why do plasmids contain an antibiotic resistance marker?
Why do plasmids contain an antibiotic resistance marker?
To identify successful modifications
What substance do genetically engineered bacteria produce for diabetes treatment?
What substance do genetically engineered bacteria produce for diabetes treatment?
Insulin
What type of plant cells are used to introduce modified genes?
What type of plant cells are used to introduce modified genes?
Meristematic cells
What benefits do GM crops engineered for insect resistance and herbicide tolerance provide?
What benefits do GM crops engineered for insect resistance and herbicide tolerance provide?
Higher yields & less crop loss
What is gene therapy used for?
What is gene therapy used for?
Correcting genetic disorders
How can GM crops help address nutritional deficiencies?
How can GM crops help address nutritional deficiencies?
Crops with added vitamins
What environmental risk do GM crops pose?
What environmental risk do GM crops pose?
Reducing biodiversity