LIFESCI 4 Lecture Notes - Lecture 11: Mutagen, Wild Type, Bacteriophage
Video 12
Mutagen
• UV LIGHT – Crosslinks DNA-thymine dimers
• BASE ANALOGS – substitutions (transitions and transversions)
• ACRIDINE DYES – frameshift mutations (addition or deletion of a base)
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WILD TYPE:
- Anything that grows on E coli K
- Anything that grows on E coli B with small plaque
pattern:
• 1 +: rII-
• 1 -: rII-
• 2 +: rII-
• 1-, 1+: rII+
• +++ or ---: rII+
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