Biological Phenotype And Genetic Function Of The Purple Gene

Biological Phenotype and Genetic Function of the purple Gene Introduction The 20th century was a time of change for many fields of science, but in terms of genetics, Drosophila melanogaster rose as one of the most significant organisms to use as a model for scientific findings to come. Drosophila melanogaster is a small fly, approximately 2 mm in length that feeds on old, decomposing fruit. Over its 100+ years as a model organism, two decades, 1910-1920 and 1970-1980, proved to hold Drosophila melanogaster in utmost importance. Thomas Hunt Morgan, who did most of his work at Columbia University, led the first decade. He set forth the standards for transmission genetics and proved his theory that genes were located on individual pieces made up of DNA known as chromosomes. Furthermore, his methods and theories proved useful in the second decade and were used to establish control of the genetics of organisms. Specifically, this involved how the organism’s genes behaved and developed over time (Roberts 2006). Specific characteristics of Drosophila melanogaster allowed for its success as a model organism. From a physical standpoint, it possesses a small body size, is easy to manipulate in the lab (Rubin 1988), and is easily cultured at a minimal cost with a large number of progeny per generation (Jennings 2011). The life cycle was extremely short, roughly 8-10 days, which allows for multiple generations to develop over a short period of time and the completion of experiments inShow MoreRelatedMendelian Genetics, Scientific Paper3075 Words   |  13 PagesObserving Anthocyanin in Brassica rapa Abstract The foundation of genetics lies with the principles that Gregor Mendel outlined after his experiments with pea plants where he discovered the relationship between physical characteristics, or phenotype, and genetic traits, or genotype. 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