Sample Essay on:
Basic Principles of Genetics: From Peas to the Human Genome Project

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Essay / Research Paper Abstract

A 12 page overview of the field of genetics. Emphasizing the significance of Gregor Mendel’s work in the nineteenth century and detailing the findings of that work, the author outlines the evolution of knowledge which has occurred in the field of Mendelian Genetics. Bibliography lists 12 sources.

Page Count:

12 pages (~225 words per page)

File: AM2_PPgenMnd.rtf

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Unformatted sample text from the term paper:

The laws of Mendelian genetics are based upon research conducted in the 19th century by Gregor Mendel. An Austrian Monk, Mendel devoted much of his life to the study of the manner in which plants pass on certain characteristics. Using garden peas as his subjects, Mendel made careful observations as to how phenotypic characteristics such as flower color and shape were passed from combinations of parent plants to their offspring. He followed up on these initial experiments with work with scarlet runner beans, snapdragons, hawkweed and a variety of other plants. In later experiments Mendel also used bees as his subjects. Mendel distinguished himself from other biologists of the time by the attention he devoted to both designing and executing his experiments. He approached his experiments quantitatively, not only observing the general trends in heredity but numerically defining them. Mendel formulated his theories on the basis of the phenotypes of the plants he saw in his garden, plants with which he had a long association with and plants for which he knew various lines would breed true. Mendel spent two years in advance of his actual crossing experiments, in fact, developing a particularly true-breeding stock (Tudge, 2000). He did this with the express intent of ultimately explaining why various crossings of these lines yielded different results in terms of offspring color. The two dominant colors were green and yellow yet when two green peas were crossed they did not always yield green offspring. The same was true for yellow peas. As a consequence of Mendels penchant for detail and quantitative ...

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