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Cloning

Cloning. Know about asexual reproduction. Know how cloning produces genetically identical animals. Describe how Dolly was cloned. Starter: Fill in the vowels and define these words: CLNNG, NCLS, CLL, GNTCS, RPRDCTN. Natural clones. A clone is two or more genetically identical individuals.

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Cloning

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  1. Cloning Know about asexual reproduction. Know how cloning produces genetically identical animals. Describe how Dolly was cloned. Starter: Fill in the vowels and define these words: CLNNG, NCLS, CLL, GNTCS, RPRDCTN.

  2. Natural clones • A clone is two or more genetically identical individuals. • Identical twins are clones of each other. • Lots of plants are cloned in nature.

  3. Embryo transfer • Using the text book complete the worksheet on embryo transfer.

  4. Fusion cell cloning • Watch the animation. • Write down some key steps in fusion cell cloning.

  5. Electric shock Egg with nucleus removed Nucleus from adult cell Put these steps in the correct order Fusion of cell

  6. Electric shock Egg with nucleus removed Nucleus from adult cell Answers Fusion of cell

  7. Advantages & disadvantages • Read risks and benefits of cloning on page 45. • Try to write down at least 2 advantages and 2 disadvantages of cloning animals using nuclear transfer.

  8. Cloning Know about asexual reproduction. Know how cloning produces genetically identical animals. Describe how Dolly was cloned. Plenary: Why is it easier to clone plants than animals?

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