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unit 8 dna test

Terms in this set (13)

where is nuclear dna found in the body
all nucleated body cells- white blood cells, semen, salivia, urine, hair root, teeth, bones, & tissue
what is dna typing
methods used to extract dna and put into bands for visualization
what percent of dna is different from one person to another person
1/10th of 1%
what are the 5 uses of dna profiling
to identify potential suspects, to exonerate individuals, to identify crime and casualty victims, to establish paternity, & to match organ donors
what type of blood cell does not contain nuclear dna
red blood cells
RLFP
restriction enzymes are used to cut dna into smaller fragments that can be separated and characterized for identification
PCR
technique used for making copies of a defined segment of a dna molecule from a single speck of blood
electrophoresis
technique used to separate dna fragments where dna molecules are sorted by size
STR
locations (loci) on the chromosome that contain short sequences and the dna is less susceptible to degradiation
nuclear dna
found in the nucleus and inherited from both parents
mitochondrial dna
can be found in skeletal remains and is inherited only from the mother
what is the FBI CODIS database and when was it established
Combined Dna Index System; october 1998
how is codis used and what is required to match the dna in the system
used for linking serial crimes and unsolved cases with repeat offenders and requires >4 RFLP markers and/or 13 STR markers or 13 PCR markers
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