Chapter 4 Notes

Chapter 4 Notes - Chapter 4 Notes 20/09/2007 14:16:00...

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Chapter 4 Notes 20/09/2007 14:16:00 Chapter 4: Mendelian Inheritance Batten Disease: Jerky movements, poor hand-eye coordination, lack of lysomal enzyme. 4.1 Following the Inheritance of One Gene – Segregation Gregor Mendel used pea plants to try to figure out inheritance, which he thought was passed on by units known as elementen. His experiments have stood the test of time and explained trait transmission for diploid species. Mendel the Man: Grew up in a small villiage in Czech Republic Became a priest in the Augustinian monastery. Studied at the University of Vienna He deducted that the consistent ratio of traits in the offspring indicated that plants passed on “elementen.” Short and tall plants are a result of the hormone gibberellin Mendel’s Experiments: Peas are good for heredity studies because they grow and develop easily and quickly The first generation is known as the parental generation and the second generation is known as the filial generation Mendel’s first experiments dealt with single traits with two expressions. Trait that is shown is dominant and trait that is masked is recessive. When both parents are hybrids, and one trait is followed, the result is a monohybrid cross. The monohybrids are non-true breeding, the progeny results: ¾
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This note was uploaded on 04/02/2008 for the course BIOS 10101 taught by Professor Bender during the Fall '07 term at Notre Dame.

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Chapter 4 Notes - Chapter 4 Notes 20/09/2007 14:16:00...

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