overuse of antibiotics

• what are the two sources of antibiotic resistant alleles


  plasmids containing the antibiotic resistant allele and bacteria that have high mutation rates
• What does overuse of antibiotics lead to?

  an accidental selection of bacteria strains that are completely unaffected by some antibiotics
• give two examples of bacteria that is antibiotic resistant


  MRSA and clostridium difficile
• when does antibiotic resistant bacteria have an advantage


  when there is antibiotics present