Inheritance & EvolutionMedium Exam FrequencyAQAEdexcelOCRWJEC
Cloning
Cloning techniques, applications, and ethical considerations
What you'll cover
- Tissue culture and plant cloning
- Animal cloning techniques
- Adult cell cloning process
- Advantages and disadvantages of cloning
Study this topic
1Deep Dive2Deep Dive3Deep Dive4Diagram5How It Works6Definitions7Misconceptions8Memory Aid9Higher Tier10Exam Focus11Summary12Exam Tips
Plant Cloning — Tissue Culture
Plant Cuttings — The Simplest Clone
Animal Cloning — Adult Cell Cloning (Higher)
Visual: Cloning
How It Works: Adult Cell Cloning (Somatic Cell Nuclear Transfer)
Key Definitions
Common Misconceptions
Memory Aids
Higher Therapeutic Cloning and Ethical Considerations
Exam Focus
Knowledge Organiser
Exam Tips: Cloning
Sample Flashcards
What is a clone?
A genetically identical copy of an organism. Clones have exactly the same DNA as their parent. Cloning occurs naturally (e.g. identical twins, bacterial reproduction) and can be done artificially in plants and animals.
What was significant about Dolly the sheep?
Dolly (born 1996) was the first mammal cloned from an adult (somatic) cell. This proved that a specialised adult cell could be reprogrammed to create a whole organism — previously scientists thought adult cells had permanently 'switched off' the genes not needed for their function.
Sample Questions
What is the name of the first mammal to be cloned from an adult cell?
What is the process called when a plant is grown from a cutting?
25
exam-style questions
20
revision flashcards
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