Introduction to Genetic Analysis 2

Introduction to Genetic Analysis 2 - properties of species...

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1 1 GENETICS AND THE ORGANISM KEY QUESTIONS What is the hereditary material? What is the chemical and physical structure of DNA? How is DNA copied in the formation of new cells and in the gametes that will give rise to the offspring of an individual? What are the functional units of DNA that carry information about development and physiology? What molecules are the main determinants of the basic structural and physiological properties of an organism? What are the steps in translating the information in DNA into protein? What determines the differences between species in their physiology and structure? What are the causes of variation between individuals within species? What is the basis of variation in populations? OUTLINE 1.1 Genes as determinants of the inherent
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Unformatted text preview: properties of species 1.2 Genetic variation 1.3 Methodologies used in genetics 1.4 Model organisms 1.5 Genes, the environment, and the organism Genetic variation in the color of corn kernels. Each kernel represents a separate individual with a distinct genetic makeup. The photograph symbolizes the history of humanitys interest in heredity. Humans were breeding corn thousands of years before the advent of the modern discipline of genetics. Extending this heritage, corn today is one of the main research organisms in classical and molecular genetics. [William Sheridan, University of North Dakota; photograph by Travis Amos.] 44200_01_p1-26 3/2/04 4:01 PM Page 1...
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