Inheritance of Characteristics in Domestic Fowl
Charles Benedict Davenport
Inheritance of Characteristics in Domestic Fowl
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English
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INHERITANCE OF CHARACTERISTICS IN DOMESTIC FOWL.
TABLE OF CONTENTS.
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.
1. WHITE.
2. BLACK.
3. BUFF.
1. WHITE.
2. BLACK.
3. BUFF.
B. EVIDENCE.
1. SILKIE × MINORCA (OR SPANISH). (Plates 3 to 6.)
2. SILKIE × WHITE LEGHORN.
3. SILKIE × BUFF COCHIN. (Plates 7, 8.)
4. WHITE LEGHORN × BLACK MINORCA.
5. WHITE LEGHORN × BUFF COCHIN. (Plate 9.)
6. BLACK COCHIN × BUFF COCHIN. (Plate 10.)
1. SILKIE × MINORCA (OR SPANISH). (Plates 3 to 6.)
2. SILKIE × WHITE LEGHORN.
3. SILKIE × BUFF COCHIN. (Plates 7, 8.)
4. WHITE LEGHORN × BLACK MINORCA.
5. WHITE LEGHORN × BUFF COCHIN. (Plate 9.)
6. BLACK COCHIN × BUFF COCHIN. (Plate 10.)
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.
FOOTNOTES:
Transcriber's notes
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