Genetic engineering (Edexcel GCSE Biology): 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 another
What do restriction enzymes do?
What do restriction enzymes do?
Recognise DNA sequences and cut at them
What is the function of ligase enzymes?
What is the function of ligase enzymes?
Join DNA together at their sticky ends
What is recombinant DNA?
What is recombinant DNA?
Two bits of DNA stuck together
What are plasmids?
What are plasmids?
Small circular DNA transferred in bacteria
What are sticky ends?
What are sticky ends?
Unpaired bases where DNA has been cut
Why do plasmids contain an antibiotic resistance marker?
Why do plasmids contain an antibiotic resistance marker?
To identify successful modifications
Which plant cells receive modified genes?
Which plant cells receive modified genes?
Meristematic (unspecialised) cells
What traits are GM crops engineered for?
What traits are GM crops engineered for?
Insect resistance and herbicide tolerance
How is insulin produced using genetic engineering?
How is insulin produced using genetic engineering?
Microorganisms mass produce it
What could GM crops create due to increased resistance?
What could GM crops create due to increased resistance?
Super weeds and pests
How might GM crops affect the environment?
How might GM crops affect the environment?
Could reduce biodiversity