Lecture 013 - Mendellian Genetics 2

Lecture 013- - 1 Bio1222 Haffie 08/09 Lec Lec 14 14 Mendelian Mendelian Genetics Genetics 2 Bio1222 Haffie 08/09 Before next Lecture I suggest

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Unformatted text preview: 1 Bio1222 Haffie, 08/09 Lec Lec 14: 14: Mendelian Mendelian Genetics Genetics 2 Bio1222 Haffie, 08/09 Before next Lecture, I suggest . . . Before next Lecture, I suggest . . . • Invest 30 min to complete, review and organize notes from today. Do as many Chapter 12 questions as needed. • Invest 30 min in Review of Recombination: Chapter 13.1. • After next lecture, do as many Chapter 13 questions as needed. 2 Bio1222 Haffie, 08/09 Mendel • Working only 150 years ago • Brought scientific approach to study of heredity • Studied several different discrete characteristics in garden pea • Carefully controlled pollinations and quantitative analysis of several generations • Made “models” to explain observations Bio1222 Haffie, 08/09 Fig. 12-3 Pea plant Pollen Anthers Stigma Carpel Pollen from one plant is brushed onto the stigma of a second plant. The anthers have been cut from the second plant so that it cannot self- fertilize. The cross-fertilized plant produces seeds, which may be scored for seed traits, such as smooth or wrinkled shape, or may be grown into plants for scoring of adult traits, such as flower color. d. The adult pea plant (F 1 generation) Careful Experiments 2 Bio1222 Haffie, 08/09 Mendel • Working only 150 years ago • Brought scientific approach to study of heredity • Studied several different discrete characteristics...
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This note was uploaded on 04/04/2009 for the course BIOLOGY 1222 taught by Professor Haffie during the Spring '09 term at UWO.

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Lecture 013- - 1 Bio1222 Haffie 08/09 Lec Lec 14 14 Mendelian Mendelian Genetics Genetics 2 Bio1222 Haffie 08/09 Before next Lecture I suggest

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