tailieunhanh - Lecture Genetics: From genes to genomes - Chapter 2: Mendel's principles of heredity

Chapter 2 covers the basic principles of inheritance, first described by Mendel, that form the foundation of the Laws of Segregation and Independent Assortment. You will see in chapter 4 how these laws relate to chromosome segregation during meiosis. | Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display PowerPoint to accompany Genetics: From Genes to Genomes Fourth Edition Leland H. Hartwell, Leroy Hood, Michael L. Goldberg, Ann E. Reynolds, and Lee M. Silver Prepared by Mary A. Bedell University of Georgia CHAPTER OUTLINE Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 Mendel's Principles of Heredity Background: The Historical Puzzle of Inheritance Genetic Analysis According to Mendel Mendelian Inheritance in Humans CHAPTER Basic Principles: How Traits Are Transmitted CHAPTER PART I Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 A family portrait with members of four generations Why do some of the children look like only one of the parents, while some of the other children look more like the great, great grandparents? What causes the similarities and differences of appearance and the skipping of generations? Fig. Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 Gregor Mendel discovered the basic principles of genetics Mendel was the first scientist to combine data collection, analysis, and theory to understand heredity He inferred genetic laws about the appearance and disappearance of traits during different generations Fig. Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 Genetics explains the mechanisms that determine the inheritance of traits Genes are the basic units of heredity Heredity is the way that genes transmit traits from parents to offspring Genes are passed from one generation to the next Genes underlie the formation of every heritable trait, . cleft chin, hair loss, color of hair, skin, and eyes Some . | Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display PowerPoint to accompany Genetics: From Genes to Genomes Fourth Edition Leland H. Hartwell, Leroy Hood, Michael L. Goldberg, Ann E. Reynolds, and Lee M. Silver Prepared by Mary A. Bedell University of Georgia CHAPTER OUTLINE Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 Mendel's Principles of Heredity Background: The Historical Puzzle of Inheritance Genetic Analysis According to Mendel Mendelian Inheritance in Humans CHAPTER Basic Principles: How Traits Are Transmitted CHAPTER PART I Copyright © The McGraw-Hill Companies, Inc. Permission required to reproduce or display Hartwell et al., 4th ed., Chapter 2 A family portrait with members of four generations Why do some of the children look like only one of the parents, while some of the other children look more like the great, great .