The Hardy Weinberg Equilibrium Equation

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The main purpose of this lab was to utilize the infamous Hardy-Weinberg equilibrium equation to predict the evolutionary modifications a certain species (Drosophila melanogaster) displayed throughout different generations. For this experiment to be carried out, Drosophila melanogaster, also known as fruit flies, were used to visually represent evolutionary conceptions such as Hardy-Weinberg equilibrium equation. At the beginning of the experiment, the parent generation was observed first. Throughout the course of seven weeks, the vial was analyzed for certain changes between the two populations of Drosophila melanogaster; wild type and ebony. Although the genotypes could not be figured out, the flies were evaluated and observed based on…show more content…
The Hardy Weinberg equation is a good way of providing a null-hypothesis which can later be paralleled to direct observations of the population, making it very useful for studying populations and evolution (University of South Florida, 2016). Drosophila melanogaster is a good model organism for studying evolution because the generation time for these flies is a mere two weeks (University of South Florida, 2016). It is also small, easily observed, produces many offspring, and is a well-studied species (University of South Florida, 2016). Body color is an important trait to study in these flies because it can help us visually see the results of the experiment; whether the flies evolved or not. There have been numerous studies done on Drosophila melanogaster and one such study was by Kalmus in 1935. This study was concerned with the clock system that controlled the time at which Drosophila adults emerged from puparia (Kalmus 1935). J.M. Rendel also did a study on Drosophila. His focus was the differences in mating behavior that was displayed between most species of Drosophila (Rendel 1951). For this experiment, my hypothesis was that the population was not going to remain in Hardy-Weinberg equilibrium over the course of three generations. This is because in Rendel’s literature, he states that disturbances of mating can appear due to gene changes which can give rise to drastic fitness reductions of the animals that have been

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