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Genetic Engineering
The process where an organisms
DNA is purposely altered
Technique
in which
genetic engineering is acomplished
recombinant DNA technology
Recombinant DNA technology
A gene from one organism is removed and inserted into the DNA from another organism creating a
trangenic
A
unit of DNA
that is associated with an
inherited characteristic
Gene
What does a
gene
do?
Codes for a specific protien
, which is associated with a
particular function
Genetic engineering
is used for...
1.
vaccines
2. insulin/
Humulin
3. modification of
crops
3. human growth hormones/
Protopin
GMOs
Genetically Modified Organisms
Food items
that have been
genetically engineered
Meiosis
Two sequential cell divisions
that result in the
reproduction of the chromosome number to one-half
because in
sexual reproduction
involves the
Does the FDA require
GMOs
to be labled?
No
so it is
nearly impossible for a consumer to determine
whether their food has been genetically modified
Why can
GMOs
be
bad for the consumer?
There is a
risk of allergic reations
that do not occur when consumer eats a food that is not genetically modified.
ex. sudden allergy to tomatoes
(flavr savr
tm
)
What causes allegies in
GMOs
?
The presence of a
Bt toxin
. Although Bt toxin is approved by FDA it
causes allergies
in some consumers.
Gene Therapy
Technique in which a
corrected version of the gene
is
delivered to cells containing the defective gene
Meiosis
begins with a
blank
cell.
Diploid.
(One of which
chromosomes are present in pairs
.)
The diploid cell divides into four
blank
cells
Haploid
(one in which the chromosomes are
not in pairs
)
Author:
crm039
ID:
16186
Card Set:
boi lab final
Updated:
2010-04-28 02:59:19
Tags:
bio
Folders:
Description:
lab final
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