As a result of continued evolution, Homo sapiens have become one of the most successful examples of natural selection thus far. Evolution is the change in allele frequency over time in a large population (Understanding Evolution, 2015). It is commonly theorised that living organisms have developed from simpler forms of life over a period of millions of years and branched out to become different species with similar genetic material (The Scientist, 2011). Charles Darwin is a notable biologist from the 18th century who hypothesized the theory of evolution and penned his at the time controversial evidence into a book he later published as ‘On the Origin of the Species’ 1859. His concept of natural selection and survival of the fittest is a generally
