Cloning Quiz
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5 questions, one answer each
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1. Which statement about a cutting is correct?
- A. It grows by fertilisation of an egg
- B. It grows into a clone of the parent plant
- C. It always grows into a different variety
- D. It must be grown from a seed
2. Why must the jelly in tissue culture be sterile?
- A. To make the plant grow taller
- B. To stop the plant needing light
- C. To prevent bacteria and fungi from killing the plantlets
- D. To add hormones to the plant
3. In adult cell nuclear transfer, what is placed in the egg cell with its nucleus removed?
- A. A sperm cell
- B. The nucleus from a body cell of the animal to be cloned
- C. A fertilised embryo
- D. A hormone
4. Which is a drawback of cloning farm animals?
- A. The clones vary a lot
- B. The clones cannot be bred
- C. The method is cheap and always works
- D. The clones have no genetic variation, so one disease could affect all of them
5. A dog is cloned from a skin cell of Dog X, using an egg from Dog Y and a surrogate Dog Z. Which dog is the puppy a clone of?
- A. Dog X
- B. Dog Y
- C. Dog Z
- D. All three equally