Gregor Mendel and The Basic Principles of Heredity

Gregor Mendel and The Basic Principles of Heredity - Gregor...

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Gregor Mendel and The Basic Principles of Heredity Solving Genetic Problems pg. 245 Genetics Supplement by Cronkite Gregor Mendel published in 1866 o University of Vienna Quantitative and experimental methods in biological research (not just description) Chose garden peas (variations); cultivated plant Garden pea – controlled pollinations o What did plant and animal breeders who were Mendel’s contemporaries know about hybrids? Two concepts about inheritance that were widely accepted: 1. All hybrid plants that are the offspring of genetically pure, or true breeding, parents are similar in appearance. 2. When these hybrids mate with each other, they do not breed true, their offspring show a mixture of traits. Some look like their parents, and some have features like their grandparents. o Mendel’s methods Established true breeding lines (pure lines) Made crosses between plants that differed in two contrasting characteristics o P Generation: Parental Generation o F 1 Generation: filial (sons and daughters) Generation
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This note was uploaded on 02/28/2009 for the course BIOLOGY 101 taught by Professor Martin during the Fall '08 term at Rutgers.

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Gregor Mendel and The Basic Principles of Heredity - Gregor...

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