Gel electrophoresis Flashcards
1
Q
Gel electrophoresis
A
Technique that allows DNA fragments to be sorted according to size
2
Q
Step 1
A
DNA samples loaded into small wells at the end of rectangular gel, and gel is placed into a tray with electrodes attached
3
Q
Step 2
A
Electric current turned on and DNA moves towards positive electrode
4
Q
DNA ladder
A
Included for comparison with pieces of DNA of a known number of base pairs
5
Q
Pair size
A
DNA fragments that are smaller travel further through the gel and bigger fragments travel slower and get stuck further behind in the gel
