CONTENTS 



Preface vii 



Contents xi 



Dictionary of Terms 1 



Useful Formulae (Appendix 1) 165 



Coefficients of the Terms in the Expansion 

 of (1 + x)** for Values of n from 1 to 

 20 (Appendix 2) 168 



2" and 4" for Values of n from 3 to 20 



(Appendix 3) 169 



Distribution of x^ (Appendix 4) 170 



Genotypes Expected in Backcrosses and in 



Fgs (Appendix 5) 171 



Percentage of Homozygotes in each Generation 

 following a cross the whole progeny of 

 WHICH is continuously selfed (Appendix 6) 172 



Rate of Elimination of Donor Genotype by Back- 

 crossing (Appendix 7) 173 



International Rules for Symbolizing Genes and 

 Chromosome Aberrations (Appendix 8) ... .174 



Distances Recommended to Avoid Seed Contami- 

 nation (Appendix 9) 176 



References 177 



Bibliography 179 



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