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Forensics Test Chapter 5 DNA
N/A
17
Criminal Justice
Undergraduate 3
03/20/2012

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Term
DNA typing
Definition
when DNA is converted to into a series of bands that distinguishes each individual
Term
Key to DNA typing
Definition
withing the worlds population numerous possibilities exist for the number of times a sequence of base letters repart itself
Term
RFLP
Definition
Restriction Fragment Length Polymorphism
Term
PCR
Definition
Polymerase chain reaction: tech for making many copies of a defined segment of a DNA molecule
Term
Electrophoresis
Definition
an electrical current moves through a substance causing molecules to sort by size.
Term
Where do lightest molecules move during electrophoresis?
Definition
the furthest level on the gel
Term
STR (short tandem repeats)
Definition
latest method of DNA typing. Advantages are less time, smaller sample, and
Term
STR; Short tandem repeats
Definition
Extract gene from sample, amplify the sample by means of PCR
Term
How many STR do people have
Definition
2, one from each parent
Term
3 possible outcomes of DNA
Definition
match, exclusion (shows profile differences that can only be explained by two samples), inconclusive
Term
nuclear DNA
Definition
found in the nuclei, 23 pairs of chromosomes
Term
Mitochondrial
Definition
only inherited by the mother, can be found in skeletal remains
Term
Y- chromosome
Definition
passes unchanged from generation to generation
Term
CODIS
Definition
DNA database
Term
Sir Alec Jeffreys
Definition
credited with DNA profiling using RFLP
Term
Kary Mullis
Definition
recieved noble prize for his invention of the polymerase chain reaction
Term
John Butler
Definition
the leading expert in DNA typing
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