BIOL 180 Chapter 14: Mendel and the Gene Pg. 256-263
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BIOL 180 Full Course Notes
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Document Summary
Cell theory and evolution two of the five fundamental attributes of life. Third great idea in bio: the chromosome theory of inheritance: explains how genetic info is passed from one generation to the next, brings to light the third fundamental attribute of life: all organisms process info. Claims meiosis causes patterns of inheritance that mendel observed and that genes are located on chromosomes. Chromosome theory launched study of genetics: genetics - branch of bio that focuses on inheritance of traits. Heredity - inheritance/transmission of traits from parents to offspring: primary concern of animal breeders and horticulturalist. Trait - any characteristic of an individual, from height to primary structure of certain membrane protein. What questions was mendel trying to answer: he tried to address most fundamental of all issues with heredity: Two hypothesis formed to answer this question: (1) blending inheritance - claimed traits found in mother and father blend to form traits seen in offspring.
