Robinson's Genetics for Cat Breeders and Veterinarians Book

	Preface	xi
	Acknowledgements	xv
Chapter 1	Introduction	1
	The need for genetics information	1
	Mendelism and genetics	2
	Nomenclature	3
	Origin and species hybridity	4
	Historical appendices	9
A	Discredited beliefs	9
B	Timeline of cat breeds	10
Chapter 2	Reproduction and development	13
	Practical aspects of reproduction	13
	Germ cell lineage	15
	Heredity versus environment in the shaping of the individual	16
	The chromosomes	17
	Sex chromosomes and sex determination	19
	Sex development	21
	Technical appendices	23
A	Basic data on reproduction and the life cycle of the domestic cat	23
B	Haploid number of chromosomes for selected cat species	23
Chapter 3	Principles of heredity	24
	Introduction	24
	Genes and alleles	25
	Simple inheritance	26
	Checkerboard diagrams	30
	Dominant and recessive mutations	35
	Detection of the homozygous dominant	35
	Incomplete dominance	36
	Multiple allelism	37
	Masking of genes	40
	Mimic genes	42
	The multiple recessive	44
	Expressivity and impenetrance	45
	Genetic fingerprinting	46
	Technical appendix	48
	A note on Mendel's distribution and statistics	48
Chapter 4	Impacts of heredity	49
	Manifold effects of genes	49
	Linkage	49
	Sex-linked heredity	51
	Sex-limited expression	53
	Continuous variation	54
	Threshold characters	59
	Anomalies	60
Chapter 5	Breeding systems	63
	Overview	63
	Random mating	64
	Random breeding versus random bred	64
	Breeding systems	65
	Limits to selection	85
	Technical appendices	87
A	Working ratios of declines in heterozygosis	88
B	Calculating the decline in heterozygosity	88
Chapter 6	Breeding practices	89
	The meaning of lines	89
	Gene pools	90
	Elimination of anomalies	92
	Persistence of anomalies	94
	Technical appendices	97
A	Case study - head conformation and bite	97
B	Record keeping	99
Chapter 7	Inbreeding	107
	In general	107
	Inbreeding and breeds	111
	Inbreeding depression and hybrid vigor	114
	Inbreeding and the appearance of anomalies	116
	Maximum avoidance of inbreeding	116
	Synopsis	119
	Technical appendices	120
A	Calculating inbreeding from pedigrees	120
B	Complex inbreeding	121
C	Law of descent	123
D	Pedigrees	126
Chapter 8	Coat inheritance	127
	Coat composition	127
	Rex hair	128
	Long hair	130
	Genes and rexing	130
	Wire hair	133
Chapter 9	Color inheritance	134
	Introductory note	134
	A standard of comparison	134
	Eye color	135
	Tabby and non-agouti	135
	Brown alleles - B, B, b[superscript [lambda]]	138
	Albino alleles	139
	Dilutions	140
	Inhibitor of melanin - I-	142
	Dominant black	142
	Orange	143
	White and white spotted cats	146
	Rufism	151
	Technical appendix	152
	Black-yellow mosaics	152
Chapter 10	Genetics of color variation and breeds	155
	Introduction	155
	Conformation and type	156
	Color variations	157
	Breeds	167
	Technical appendices	182
A	Color likelihood from matings involving chocolate and dilute alleles	182
B	List of color and coat mutant genes and symbols	183
C	Blood types	183
D	Breeds and outcrosses	183
Chapter 11	Genetic anomalies	185
	Classification	185
	Specific anomalies	186
	Technical appendix	207
	List of genetic anomalies and symbols	207
	Historical appendix	207
	The elimination of craniofacial defects in the Burmese cat - a case study of responsible breeding	207
	Glossary	209
	Bibliography	229
	Index	247