C2  You and your genes PC2.11 Cloning – science fiction or science fact?
C2  Cloning <ul><li>This prediction of space walking was made just fifty years ago. </li></ul><ul><li>Other predictions fr...
C2  Cloning <ul><li>First American space walk, 1965.  </li></ul>
C2  Cloning <ul><li>First manned manoeuvring unit flight, 1984.  </li></ul>
C2  Cloning
C2  Cloning <ul><li>Why are these two girls identical? </li></ul>
C2  Cloning <ul><li>This fertilised egg cell is dividing to produce an embryo. </li></ul>
C2  Cloning <ul><li>If the ball of cells splits, two embryos develop. </li></ul><ul><li>Both of the embryos will come from...
C2  Cloning <ul><li>These twins are clones of each other, but not of their parents. </li></ul>
C2  Cloning <ul><li>Simple organisms often reproduce asexually. </li></ul><ul><li>Asexual reproduction only passes on gene...
C2  Cloning <ul><li>This strawberry plant is making clones by asexual reproduction. </li></ul>
C2  Cloning <ul><li>If these potatoes are grown, the new plants will be clones of this parent. </li></ul>
C2  Cloning <ul><li>Simple animals also use asexual reproduction. </li></ul><ul><li>This  Hydra  is making clones by buddi...
C2  Cloning <ul><li>Plants can grow back because they keep some unspecialised cells as they develop. </li></ul><ul><li>The...
C2  Cloning <ul><li>Selective breeding has produced varieties of plants and animals with features we want. </li></ul><ul><...
C2  Cloning <ul><li>Vegetables that grow quickly and are resistant to disease. </li></ul>
C2  Cloning <ul><li>A piece of the plant is cut off. </li></ul><ul><li>New shoots and roots develop.  </li></ul>
C2  Cloning <ul><li>The new plant has the same genes as the parent. </li></ul><ul><li>It is a  clone. </li></ul>
C2  Cloning <ul><li>Who was Null-A?  </li></ul>Even he didn’t know  –  only that he could be  killed and then live again, ...
C2  Cloning <ul><li>The book has been reprinted many times, including this edition in 2002. </li></ul><ul><li>It has been ...
C2  Cloning  <ul><li>For many years mammals have been cloned by splitting embryos. </li></ul>
C2  Cloning <ul><li>Dolly was the  </li></ul><ul><li>first  adult  mammal </li></ul><ul><li>to be cloned. </li></ul><ul><l...
C2  Cloning
C2  Cloning <ul><li>It’s not just  reproductive  cloning – copying people – that we could use this technology for. </li></...
C2  Cloning http://www.guardian.co.uk/genes
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Pc2.11 Cloning Science Fiction Vs. Science Fact

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  • Pc2.11 Cloning Science Fiction Vs. Science Fact

    1. 1. C2 You and your genes PC2.11 Cloning – science fiction or science fact?
    2. 2. C2 Cloning <ul><li>This prediction of space walking was made just fifty years ago. </li></ul><ul><li>Other predictions from the 1930s–1950s include flying cars and video telephones. </li></ul>
    3. 3. C2 Cloning <ul><li>First American space walk, 1965. </li></ul>
    4. 4. C2 Cloning <ul><li>First manned manoeuvring unit flight, 1984. </li></ul>
    5. 5. C2 Cloning
    6. 6. C2 Cloning <ul><li>Why are these two girls identical? </li></ul>
    7. 7. C2 Cloning <ul><li>This fertilised egg cell is dividing to produce an embryo. </li></ul>
    8. 8. C2 Cloning <ul><li>If the ball of cells splits, two embryos develop. </li></ul><ul><li>Both of the embryos will come from the same fertilised egg cell. </li></ul><ul><li>They will have the same genes. </li></ul><ul><li>They will be clones . </li></ul>BUT…
    9. 9. C2 Cloning <ul><li>These twins are clones of each other, but not of their parents. </li></ul>
    10. 10. C2 Cloning <ul><li>Simple organisms often reproduce asexually. </li></ul><ul><li>Asexual reproduction only passes on genes from one parent. </li></ul><ul><li>The offspring are identical to each other and their parent. </li></ul>
    11. 11. C2 Cloning <ul><li>This strawberry plant is making clones by asexual reproduction. </li></ul>
    12. 12. C2 Cloning <ul><li>If these potatoes are grown, the new plants will be clones of this parent. </li></ul>
    13. 13. C2 Cloning <ul><li>Simple animals also use asexual reproduction. </li></ul><ul><li>This Hydra is making clones by budding. </li></ul>
    14. 14. C2 Cloning <ul><li>Plants can grow back because they keep some unspecialised cells as they develop. </li></ul><ul><li>These cells can develop into any kind of cell a new plant needs. </li></ul>
    15. 15. C2 Cloning <ul><li>Selective breeding has produced varieties of plants and animals with features we want. </li></ul><ul><li>Flowers with particular colours and scents. </li></ul>
    16. 16. C2 Cloning <ul><li>Vegetables that grow quickly and are resistant to disease. </li></ul>
    17. 17. C2 Cloning <ul><li>A piece of the plant is cut off. </li></ul><ul><li>New shoots and roots develop. </li></ul>
    18. 18. C2 Cloning <ul><li>The new plant has the same genes as the parent. </li></ul><ul><li>It is a clone. </li></ul>
    19. 19. C2 Cloning <ul><li>Who was Null-A? </li></ul>Even he didn’t know – only that he could be killed and then live again, to be used by someone unknown in an evil plot spanning the galaxy…
    20. 20. C2 Cloning <ul><li>The book has been reprinted many times, including this edition in 2002. </li></ul><ul><li>It has been claimed that the first human clone was born on 26 December 2002. </li></ul>
    21. 21. C2 Cloning <ul><li>For many years mammals have been cloned by splitting embryos. </li></ul>
    22. 22. C2 Cloning <ul><li>Dolly was the </li></ul><ul><li>first adult mammal </li></ul><ul><li>to be cloned. </li></ul><ul><li>The method used to produce Dolly was </li></ul><ul><li>first used to clone </li></ul><ul><li>adult frogs in 1952. </li></ul>
    23. 23. C2 Cloning
    24. 24. C2 Cloning <ul><li>It’s not just reproductive cloning – copying people – that we could use this technology for. </li></ul><ul><li>Cloning human cells </li></ul><ul><li>may be useful in </li></ul><ul><li>treating illnesses. </li></ul><ul><li>This is called </li></ul><ul><li>therapeutic cloning. </li></ul>
    25. 25. C2 Cloning http://www.guardian.co.uk/genes

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