Contents

		Front Matter
	I	Introduction
	II	Mendel's First Law - Segregation of the Genes
	III	The Mechanism of Segregation
	IV	Mendel's Second Law - The Independent Assortment of the Genes
	V	The Mechanism of Assortment
	VI	Linkage
	VII	Crossing Over
	VIII	Crossing Over and Chromosomes
	IX	The Order of the Genes
	X	Interference
	XI	Limitation of the Linkage Groups
	XII	Variation in Linkage
	XIII	Variation in he number of Chromosomes and its Relation to the Totality of the Genes
	XIV	Sex-chromosomes and Sex-linked Inheritance
	XV	Parthenogenesis and Pure lines
	XVI	The Embryological and Cytological Evidence that the Chromosomes are the Bearers of the Hereditary Units
	XVII	Cytoplasmic Inheritance
	XVIII	Maternal Inheritance
	XIX	The Particulate Theory of Heredity and the Nature of the Gene
	XX	Mutation
		Bibliography
		Index