Genetic Engineering and Biotechnology Class version.pdf

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10 Δεκ 2012 (πριν από 4 χρόνια και 10 μήνες)

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Genetic Engineering and Biotechnology 4.4.8


4.4.13


Gene Transfer


DNA is universal


Enzymes act as scissors


Endonucleases cut the DNA at specified points


Ligase _____________


Attaches sticky ends


Plasmid removed from the host cell and cut using a
______________


Gene to be copied is placed in the _____________


Vector is created : Otherwise known as __________


Vector is placed inside the _____________

GMO Uses


Agriculture
-

Flavr Savr tomato


Help world hunger by allowing farmers to grow food in
locations that would otherwise be home to undesirable
conditions


Developing world
-

_________ has been engineered to produce
___________ (helps with vitamin A deficiency)

Pros/Cons

Pro

Con

Improved food production



Crops that produce toxins

for
insects could be harmful for
humans

Produces rare proteins for
vaccines

Risks for allergies

Gices farmers more control of
their crops



Decrease in biodiversity


Definition of a _____

Group of genetically identical organisms or a group of cells
artificially
derived from a single parent

Cloning

1. A _______ cell was removed from a cultured egg from the original
donor sheep. The _________ is removed

2. An ____________ was collected from another sheep and its
nucleus was removed

3. Using an
_____________ the egg cell and the nucleus from the
cultured somatic cell were fused together

4. An ___________ was formed

5. The embryo was placed in the womb of the ______________ sheep

6. Embryo develops naturally

7. Clone is born

Ethical issues with
c
loning humans


Playing God


Unnatural/ Wrong



Stem cell research: