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Abstract:
Evolution is a change in the proportion of any allele in the gene pool from one generation to the next (Vliet 145). Minor shifts in allelic frequencies do not usually generate observable changes, however over long periods of time, such shifts generate variations in the phenotypes within a population. Sexual reproduction does not affect the ratio of alleles in a population from generation to generation provided that the five conditions of the Hardy-Weinberg theory are met. The terms allow us to foresee the genotypic frequencies expected without the affects of evolution, helping us to better comprehend the slow way in which minor changes in gene frequencies can affect change in a population. Populations that abide by these predictions are said to be in Hardy-Weinberg equilibrium. The divergence that detected from the predicted Hardy-Weinberg frequencies denotes evolutionary change in the population. A lab technique called polymerase chain reaction (PCR) was used to find......

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Approximate Word Count: 2262
Approximate Pages: 10 (250 words per double-spaced page)

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