DNA Flashcards
1
Q
Who discovered DNA?
A
Francis Crick (1953)
2
Q
What is mitochondrial DNA?
A
- The powerhouse of the cell
- Has its own DNA
- Inherited from the mother
3
Q
What type of blood cell is DNA found in?
A
White blood cells
4
Q
What are the two types of DNA used in forensic casework?
A
- Nuclear DNA
- Mitochondrial DNA
5
Q
True or false? DNA is unique to an individual?
A
True
6
Q
What is the process in which DNA is used in forensic cases?
A
- You get the sample (blood stain) which contains cells
- Isolate the DNA
- Amplify specific bits of the DNA
- Analyse DNA fragments
- Compared DNA from suspects and victims6. Use DNA library to find suspect
7
Q
What type of DNA is unique to an individual?
A
Non-coding DNA (Intronic DNA)
8
Q
What is a PCR machine used for?
A
Used for putting DNA in
9
Q
How is DNA analysed?
A
Gel electrophoresis (bombarding with electrons)
