Читать книгу Inheritance of Characteristics in Domestic Fowl - Charles Benedict Davenport - Страница 2

INTRODUCTION.

CHAPTER I. THE SPLIT OR Y COMB.

A. INTERPRETATION OF THE Y COMB.

B. VARIABILITY OF THE Y COMB AND INHERITANCE OF THE VARIATIONS.

CHAPTER II. POLYDACTYLISM .

A. TYPES OF POLYDACTYLISM.

B. RESULTS OF HYBRIDIZATION.

CHAPTER III. SYNDACTYLISM .

A. STATEMENT OF PROBLEM.

B. RESULTS OF HYBRIDIZATION.

CHAPTER IV. RUMPLESSNESS .

CHAPTER V. WINGLESSNESS .

CHAPTER VI. BOOTING .

A. TYPES OF BOOTING.

B. NORMAL VARIABILITY.

C. RESULTS OF HYBRIDIZATION.

CHAPTER VII. NOSTRIL-FORM .

CHAPTER VIII. CREST .

CHAPTER IX. COMB-LOP .

CHAPTER X. PLUMAGE COLOR .

A. THE GAMETIC COMPOSITION OF THE VARIOUS RACES.

B. EVIDENCE.

CHAPTER XI. INHERITANCE OF BLUE COLOR, SPANGLING, AND BARRING .

A. BLUE COLOR.

B. SPANGLING.

C. BARRING.

CHAPTER XII. GENERAL DISCUSSION .

A. RELATION OF HEREDITY AND ONTOGENY.

B. DOMINANCE AND RECESSIVENESS.

C. POTENCY.

D. REVERSION AND THE FACTOR HYPOTHESIS.

E. THE LIMITS OF SELECTION.

F. NON-INHERITABLE CHARACTERS.

G. THE RÔLE OF HYBRIDIZATION IN EVOLUTION.

LITERATURE CITED.