Download Cloning

Connect!
•What is a “clone”?
•Would you want to be cloned?
•How could cloning be useful?
3. Cloning:
• Clones are
genetically
identical copies;
bacteria that are
genetically
engineered
reproduce quickly
and asexually, thus
producing many
clones
• many plants can be cloned from a part of
an original plant
• cloning has also been done in animals; the
most famous cloned animal is Dolly the
sheep
• scientists insert the nucleus of a normal (2n) body cell
into an egg cell stripped of its nucleus which will develop
into an embryo
A
Another example of cloning…
B
C
Chunk…
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What is a clone?
The cloned lamb is identical to which sheep, A, B, or C?
Explain the steps in cloning Dolly.
Why would researchers want a population of cloned lab mice?
What is the risk of having an entire population of clones?
What is wrong in the science in this cartoon?
• Explain the cartoon above.
• How could cloning be used to save endangered
species? Hypothesize…
Just for Fun - Do you get it?
Graphics Sources
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Star Wars clones - http://repairstemcell.files.wordpress.com/2009/02/star_wars_clone_army.jpg
Bacteria genetic engineering – Pearson
Ace Cloning cartoon-http://www.cartoonstock.com/newscartoons/cartoonists/sde/lowres/sden294l.jpg
Dolly the Sheep – nature.com
Dolly and Mommy - http://images.google.com/imgres?imgurl=http://listverse.files.wordpress.com/2007/10/dolly-the-sheep2-thumbtm.jpg&imgrefurl=http://listverse.com/2007/10/11/10-decades-of-the-20th-century/&usg=__3iXf5a2W2CCStSN9j4ZRYS3hQo=&h=400&w=337&sz=51&hl=en&start=8&sig2=mNc98Tatv06WhDu9ogPIg&tbnid=xWHlt9vKk3FpbM:&tbnh=124&tbnw=104&prev=/images%3Fq%3DDolly%2Bthe%2Bsheep%26gbv%3D2%26nds
p%3D20%26hl%3Den%26sa%3DN%26ie%3DUTF-8&ei=OIUdS8LIEsm-lAeM08nyCQ