DNA Profiling (Exam 3)

Question 1

In what 2 ways does criminal DNA profiling differ from paternity testing?

Answer 1

1) Criminal DNA profiling requires 2 samples as opposed to 3

2) Criminal DNA profiling needed 100% of the DNA to match while paternity testing only requires 50%

Question 2

What is the 8-step criminal DNA profiling flowchart?

Answer 2

1) DNA extraction
2) Quantification
3) PCR
4) Allelic separation via DNA analyzers (electrophoresis)
5) Obtain DNA profiles (sequencing)
6) RMP calculation (if match)
7) Write report
8) Testify in court

Question 3

What are the 2 caveats added in a DNA report when issuing an identity statement?

Answer 3

1) In the absence of an identical twin…
2) To a reasonable degree of scientific certainty…

Question 4

What is the purpose of an identity statement?

Answer 4

To assert that the suspect is the source of DNA in the evidence material