Chapter 9 - Patterns of inheritance. The main contents of this chapter include all of the following: Mendel's laws, variations on Mendel's laws, the chromosomal basis of inheritance, sex chromosomes and sex-linked genes. | Chapter 9 Patterns of Inheritance PowerPoint Lectures for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and Dickey Lecture by Mary C. Colavito Copyright © 2009 Pearson Education, Inc. Introduction: Barking Up the Genetic Tree Dogs are one of man’s longest genetics experiments – Dog breeds are the result of artificial selection – Populations of dogs became isolated from each other – Humans chose dogs with specific traits for breeding – Each breed has physical and behavioral traits due to a unique genetic makeup Sequencing of the dog’s genome shows evolutionary relationships between breeds Copyright © 2009 Pearson Education, Inc. Wolf Ancestral canine Chinese Shar-Pei Akita Siberian Husky Basenji Alaskan Malamute Afghan hound Saluki Rottweiler Sheepdog Retriever MENDEL’S LAWS Copyright © 2009 Pearson Education, .
