Friday, 17 May 2013

5.20 evaluate the potential for using cloned transgenic animals, for example to produce commercial quantities of human antibodies or organs for transplantation.

Transgenic animals are ones that have had genes from other animals put in their DNA.
Animals can be given the gene to make human antibodies. These can then be injected into humans to help them face an infection- instead of waiting a long time for their body to find the correct antibody and then replicate it.
Sheep and goats have been made to produce human proteins in their milk: this makes milk more beneficial to humans.
Animals could be made with organs that are similar enough to humans that they could be transplanted: this would mean there was never a shortage; it would also mean less moral questions are asked (then using human organs.)
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14 comments:

  1. Unknown15 June 2014 at 14:34

    Sorry if I have seemed condescending or overly picky throughout but I have obsessive compulsive disorder and so I like everything to be perfect. I really appreciate the effort that you have gone to, to put together this website.
    Many thanks,
    Jake

    ReplyDelete
  2. Unknown29 May 2016 at 11:49

    Surely using animal organs (after GM) for human transplant, would raise more moral questions in terms of creating animals for the sole purpose of taking their organs? Please correct me if I'm wrong.
    Prab :)

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    Replies
    1. gcse9 June 2016 at 10:51

      correct - ethical issues

      Delete
    2. Anonymous12 April 2021 at 07:47

      yes but it raises fewer ethical issues than having to borrow organs from another human.

      Delete
    3. Anonymous12 April 2021 at 07:47

      yes but it raises fewer ethical issues than having to borrow organs from another human.

      Delete
    4. Anonymous12 April 2021 at 07:47

      yes but it raises fewer ethical issues than having to borrow organs from another human.

      Delete
  3. JOHN MCGARRETT1 November 2016 at 12:29

    IF I REVISE COMPLETELY FROM THESE NOTES WOULD I GET AN A*

    ReplyDelete
    Replies
    1. RobBlogger11 April 2017 at 02:11

      no, have to use them as a supplement to other notes and maybe make your own if thats your thing. No disrespect to Hannah.

      Delete
  4. Unknown6 December 2016 at 10:53

    props not, might need a little more detail. Besides, you need to know what an antibody is......not explained here

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    Replies
    1. Unknown31 March 2017 at 07:40

      that would be because it was explained in one of the earlier posts along with antigens and white blood cells - phagocytes and lymphocytes

      Delete
  5. Mike Tsang26 June 2017 at 04:30

    The Biology Syllabus has changed…

    Here is a New blog for the 2017 Syllabus:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  6. SophieRice27 June 2017 at 06:16

    more at

    http://igcse-biology-notes.blogspot.hk/2017/06/520-evaluate-potential-for-using-cloned.html

    ReplyDelete

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