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Biology: Life on Earth Ch. 13
Vocab for Ch. 13: Biotechnology
16
Biology
Not Applicable
10/31/2005

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Term
amniocentesis
Definition
The procedure by which amniotic fluid surrounding a growing fetus is collected. This fluid often contains cells from the fetus, allowing analysis of the fetus' genotype.
Term
Biotechnology
Definition
Applied biology, particularly genetic engineering
Term
chorionic villus sampling (CVS)
Definition
The process by which villi are tested for prenatal analysis.
Term
DNA fingerprint
Definition
The patter creared from DNA samples run on STR gels.
Term
DNA probes
Definition
Short pieces of single-stranded DNA that are complementrary to the nucleotide sequence of a given STR.
Term
gel electrophoresis
Definition
A technique used to seperate mixtures of DNA.
Term
genetic engineering
Definition
the modification of genetic material to achieve specific goals.
Term
genetically modified organisms (GMOs)
Definition
organisms whose natrual genetic make-up has been modified to achieve a certain goal.
Term
plasmid
Definition
tiny circular DNA molecules
Term
polymerase chain reaction (PCR)
Definition
a process that produces virtually unlimited amounts of DNA.
Term
recombinant DNA
Definition
A key tool in genetic engineering that contains genes and can be grown in bacteria for transfer into other organisms.
Term
restriction enzyme
Definition
A special class of enzyme which cut acrossa double-helix of DNA , creating sticky ends for other DNA to reattach to.
Term
restriction fragment length polymorphisms (RFLPs)
Definition
DNA segments of varying length
Term
stem cells
Definition
special populations of cells which give rise to dauther cells that can differntiate into several different types of mature cells.
Term
transformation
Definition
The combination of DNA from different bacterial species.
Term
transgenic
Definition
GMOs
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