Chapter 3

THE BEARING OF MENDEL'S DISCOVERY ON THE ORIGIN OF HEREDITY CHARACTERS

1. Mendel's First Discovery--Segregation 41-52

2. Mendel's Second Discovery--Independent Assortment 52-59

3. The Characters of Wild Animals and Plants Follow the Same Laws of Inheritance as do the Characters of Domesticated Animals and Plants 59-84 a. Sexual Dimorphism 61-64 Eosin eye color of Drosophila 61-62 Color of the Clover Butterfly, Colias philodice 62-63 Color of Papilio turnus 63 Color pattern of Papilio polytes 63-64 b. Duplication of parts 65-66 Thorax of Drosophila 65 Legs of Drosophila 65-66