Understand how resistance to antibiotics can increase in bacterial populations
- Staphylococcus aureus causes skin and lung infection
- Can be treated with methicilline (antibiotic which kills Staphylococcus aureus)
- The susceptible form of Staphylococcus aureus is the form which can be killed by the antibiotic
- There was a random mutation to the genotype of Staphylococcus aureus
- This didn't die when given the antibiotic, also known as the resistant form (MRSA)
- The mutation is helpful to the Staphylococcus aureus as it survives the antibiotic
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