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Assignment 3: Evolution and Heredity Darwin's evolutionary hypothesis dictates the survival of the fittest. Accordingly, bacteria that overcome the onslaught of antibiotics (which can destroy them) and still replicate, provide a survival advantage for future generations of the same bacteria. However, from the human viewpoint, this genetic resistance to antibiotic treatment can be detrimental. Not only can ineffectiveness of antibiotics lead to exacerbation of an infection within an individual that may have been overcome, but can lead to the spread of an infection within a population that could have been contained. There is an economic consequence of this resistance as additional treatments, hospitalisation and lost labour hours cost money. More importantly, in the worst cases, unchecked infections of this type can lead to death. A very real example of this situation is multi-antibiotic resistance present in a strain of Staphylococcus aureus. This multi-resistance arose in stages1; penicillin resistant S. Aureus were first...

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