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The Birth of Dolly the Sheep - 1996

EK

Elisabeth Kochan

Transcript

The Birth of

DOLLY THE SHEEP

SOURCES

  • Stocum, David. “Somatic cell nuclear transfer (SCNT)”. Britannica.com. Web. <http://www.britannica.com/EBchecked/topic/1382860/somatic-cell-nuclear-transfer-SCNT>
  • “Dolly (sheep)”. Wikipedia.org. Web. <http://en.wikipedia.org/wiki/Dolly_%28sheep%29>
  • “Dolly the sheep. 1996-2003”. Sciencemuseum.org.uk. Web. <http://www.sciencemuseum.org.uk/antenna/dolly/>
  • “Cloning Dolly the sheep”. Animalresearch.info. Web. <http://www.animalresearch.info/en/medical-advances/151/cloning-dolly-the-sheep/>
  • “Feb 24, 1997 Dolly the Sheep Video ABC News“. Youtube.com (video). Web. <http://www.youtube.com/watch?v=-Qry1gYYDCA>
  • “Arguments against cloning“. Allaboutpopularissues.org. Web.

<http://www.allaboutpopularissues.org/arguments-against-cloning-faq.htm>

1996

HOW WAS SHE CLONED?

"THE WORLD'S

MOST FAMOUS SHEEP"

  • somatic cell nuclear transfer: nucleus from adult cell (sheep #1) is transferred into unfertilized egg cell (sheep #2)

  • stimulated by electric shock > mitosis (cell division)

  • embryo implanted into surrogate mother (sheep #3)

  • technically: three mothers
  • 5 July 1996 – 14 February 2003

  • first mammal to be cloned from adult cell

  • took 277 attempts

  • arthritis + lung cancer; died at age of 6

  • now displayed at National Museum of Scotland

ABC News: 02/24/1997

"CLONING CAN SAVE LIVES"

"CLONING IS NOT NATURAL"

Pro Cloning

Contra Cloning

"IF A LAMB,

WHY NOT A MAN?"

  • could offer treatment for degenerative diseases (therapeutic cloning)

  • cloned animals (pigs) as organ donors for humans

  • ability to have a child with your own DNA in case of infertility

  • "Super-Humans": cloning geniuses
  • "Playing God"

  • loss of individuality + genetic diversity

  • danger of early death + genetic abnormalities

Pro & Contra Cloning

To clone or not to clone:

That is the question!

Any opinions?

gained much attention from the media

THANK YOU FOR YOUR ATTENTION!

STRUCTURE

  • Dolly's Life

  • Cloned - how?

  • A Question of Ethics + Discussion

  • Sources
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