| 中文摘要 | 第8-10页 |
| 英文摘要 | 第10页 |
| Chapter 1． Introduction | 第13-16页 |
| Chapter 2． Literature Review | 第16-32页 |
| 2．1． Genetic Markers | 第16-18页 |
| 2．2． Methods for Linkage Mapping | 第18-20页 |
| 2．3． Genetic Populations for Linkage and QTL Mapping | 第20-23页 |
| 2．4． Statistical Methods for QTL Mapping | 第23-28页 |
| 2．4．1． ANOVA | 第24页 |
| 2．4．2． Maximum likelihood methods | 第24页 |
| 2．4．3． Interval mapping method | 第24-25页 |
| 2．4．4． Composite interval mapping | 第25-26页 |
| 2．4．5． Computer Software for QTL Mapping | 第26-28页 |
| 2．5． Study on Marker-assistant Selection （MAS） | 第28-32页 |
| 2．6 Advances of QTL Mapping in Cotton | 第30-31页 |
| 2．7． Purpose of This Research | 第31-32页 |
| Chapter 3． Monte Carlo Simulations on Marker Grouping and Ordering Considering Several Factors | 第32-53页 |
| 3．1． Introduction | 第32-33页 |
| 3．2． Methodology | 第33-36页 |
| 3．2．1． Generating marker data | 第33-34页 |
| 3．2．2． Estimating pair-wise distance matrix | 第34页 |
| 3．2．3． Grouping markers | 第34页 |
| 3．2．4． Ordering approaches | 第34-36页 |
| 3．2．5． Definitions for grouping power and ordering power | 第36页 |
| 3．3． Simulation Results | 第36-49页 |
| 3．3．1． Comparisons of ordering powers for five ordering approaches | 第36-44页 |
| 3．3．2． Searching for the best cutoff criterion for grouping | 第44-49页 |
| 3．4． Discussion | 第49-53页 |
| Chapter 4． Comparisons of Marker Grouping and Ordering Efficiency Between Two Methods of RI Development | 第53-78页 |
| 4．1． Introduction | 第53-55页 |
| 4．2． Methodology | 第55-56页 |
| 4．2．1． Procedures to develop different RI populations | 第55页 |
| 4．2．2． Obtaining two-locus recombinant fraction matrix and map distance matrix | 第55-56页 |
| 4．2．3． Grouping and ordering markers within groups | 第56页 |
| 4．3． Simulation Results | 第56-75页 |
| 4．3．1． Evenly spaced markers | 第56-70页 |
| 4．3．2． Unevenly spaced markers | 第70-75页 |
| 4．4． Discussion | 第75-78页 |
| Chapter 5． Comparisons of QTL Mapping Properties Between Two Methods of RI Development | 第78-97页 |
| 5．1． Introduction | 第78-79页 |
| 5．2． Methodology | 第79-81页 |
| 5．2．1． Procedures to develop different RI populations | 第79页 |
| 5．2．2． Presetting QTL effects and positions | 第79-80页 |
| 5．2．3． Generating the data of markers and phenotrpes | 第80页 |
| 5．2．4． Mapping methods | 第80-81页 |
| 5．3． Simulations Results | 第81-94页 |
| 5．3．1 Simulation results for SSD RI populations | 第81-84页 |
| 5．3．2． Simulation results for bulk-based RI population with 2 lines each family | 第84-88页 |
| 5．3．3． Simulation results for bulk-based RI populations with increasing line number in each family | 第88-94页 |
| 5．4． Discussion | 第94-97页 |
| 6． Summary and Conclusions | 第97-101页 |
| 6．1． Monte Carlo Simulations on Marker Grouping and Ordering Considering Several Factors | 第97-98页 |
| 6．2． Comparisons of Marker Grouping and Ordering Efficiency between Two Methods of RI Development | 第98-99页 |
| 6．3． Comparisons of QTL Mapping Properties between Two Methods of RI Development | 第99-100页 |
| 6．4． Future Research | 第100-101页 |
| References | 第101-116页 |
| Biography | 第116-117页 |
