BY5.8 Antibiotic Resistance

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Resistance in rats:

  • warfarin is used on a large scale to control rate populations
  • rats have become resistant
  • dominant allele R confers resistance but also confers a vitamin K requirement
  • Rr: resistant, small vitamin K requirement
  • RR: resistant, massive vitamine K requirement
  • rr: no resisitant but stand a much greater chance of survival than RR in the absence of warfarin

Antibiotic resistance:

  • many bacteria are resistance
  • arisen due to…


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