Animal genetics / Frederick B. Hutt.

  • Hutt, Frederick Bruce, 1897-1991.
Date:
[1964]
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Animal genetics / Frederick B. Hutt. Source: Wellcome Collection.

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    CONTENTS xi 10 Linkage, Crossing-over, and Chromosome Maps 196 The Inevitability of Linkage. Linkage, Complete and Par¬ tial. Linkage of F and I in the Fowl; Coupling Phase. Coupling and Repulsion. Crossing-over. Utilization of Crossing-over. Linkage of F and I; Repulsion Phase. Testing for Linkage. Testing for Linkage of Sex-linked Lethals. Three Linked Genes, and a Map. Double Cross¬ ing-over. Some General Considerations of Crossing-over and Mapping. Interference; Variations in Crossing-over. A Three-Point Linkage Test in a Mammal. Maps of Chromosomes. A Chromosome Map for the Mouse. A Chromosome Map for the Fowl. Chromosome Maps and Predictability. 11 Multiple Alleles 231 The Albino Series of Alleles in the Rabbit. Order of Dominance in Multiple Alleles. Numbers of Genotypes and Phenotypes. General Characteristics of Multiple Alleles. Platinum Foxes and Others. The O-A-B Blood Groups of Man. The Rh Alleles. Blood-Group Alleles in Domestic Animals. Other Multiple Alleles in Domestic Animals. 12 Quantitative Characters 251 Continuous Variation. Inheritance of Quantitative Char¬ acters. A Note on Terminology. Mendelian Basis for Quantitative Characters. Estimating Numbers of Genes Determining Quantitative Characters. Transgressive In¬ heritance. Relation of Quantitative Inheritance to Selec¬ tion. Curves Askew or Bimodal. Inheritance of Body Size. Polygenes Affecting Levels of Butterfat in Milk. Galton's Law, and Proportions of Blood. Polygenes Affect¬ ing Size of Hens' Eggs. Exceptions and Complications. Some Statistics Applicable to Quantitative Characters. The Standard Deviation. Coefficient of Variation. The Standard Error. 13 Modifiers, Penetrance, and Pleiotrop/ 281 Modifying Genes. Modified Frizzling in the Fowl. Fisher's Evolution of Dominance. Experimental Accumulation of Modifiers. Incomplete Penetrance. Low Penetrance in Pigtailed Mice. Incomplete Penetrance in Domestic Ani¬ mals. Expressivity. Pleiotropy in the Mouse. Lethal In-