genetics, plant breeding, icar-jrf, srf, saus, mendelian gene concept, hybridization, chromosome theory, dna replication, protein synthesis, genetic code, gene regulation, chromosome structure, euploidy, aneuploids, genetic material
Objective Genetics book is meant for scholars and students who involved in preparation of ICAR-JRF, SRF, SAUs entrance examination.
Preface After the rediscovery of Gregor Johann Mendel’s laws, modern world witnesses the paradigm shifts in research in the field of Genetics. Genetics played a key role in Plant Breeding to understand and develop modern semi dwarf varieties in rice and wheat that lead to achieve self sufficiency in developing countries in Asia and other parts of the world. Therefore, genetics gains an important place in the field of Agriculture. As agriculture is a back bone of any country to sustain its development. In India, Indian Council of Agricultural Research (ICAR) and Agricultural Universities are playing important role in the field of Agriculture by educating students and conducting research to break yield plateau to achieve second green revolution. Therefore, the present book “Objective Genetics” is prepared by covering objective questions with answers in basics of Genetics. In general perception, it is believed that genetics is a tricky and intricate subject. However, we have simplified the subject with objective questions and it will provide a clear, comprehensive, and balanced introduction to genetics at the college level. The questions are briefly and clearly written in comfortable style. The basic of the book is that, any student claiming knowledge of genetics must understand the basics of genetics. Further, this book can serve as a guide for the students who are interested in preparing competitive examination like ARS, NET, SRF, and IAS Exams. We hope that this book will be highly valuable to students of Under graduate and Post graduate studies in appropriate disciplines in Agricultural Science.
About the Authors
Preface
1. Generic Terms
2. Cell
3. Cell Division
4. Cell Cycle
5. Life Cycle of Plants
6. Chromosome Morphology
7. History of Development of Mendelian Gene Concept
8. Pre-Mendelian Hybridization
9. Mendelian Inheritance
10. Lethal Genes
11. Intergenic Gene Interaction
12. Chi-Square Test
13. Polygenic Inheritance
14. Multiple Alleles
15. Chromosome Theory of Inheritance
16. Crossing Over
17. Linkage
18. Sex Determination
19. Sex Linked, Sex Limited and Sex Influenced Genes
20. Cytoplasmic Inheritance
21. DNA - the Genetic Material
22. Structure of DNA
23. DNA Replication
24. Protein Synthesis
25. Genetic Code
26. Gene Regulation
27. Modern Concepts of Gene
28. Chromosome and Chromatid Organisation
29. Special Chromosomes
30. Variation in Chromosome Structure - Changes in the Number of Gene Loci
31. Variation in Chromosome Structure-Changes Involving the Arrangement of Gene Loci
32. Variation in Chromosome Number - Euploidy-Auto and Allopolyploids
33. Variation in Chromosome Number-Aneuploids
34. Missing Link
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