Genetics and Plant Breeding

Paper Code: 
BOT301
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to-

  1. To develop an understanding the basic concepts of genetics, helping students to develop their analytical, quantitative and problem solving skills from classical to molecular genetics.
  2. To impart theoretical knowledge and practical skills about plant breeding objectives, modes of reproduction and genetic consequences, breeding methods for crop improvement.

Course Outcomes (COs):

Course

Course Outcomes

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

BOT 301

 

Genetics and Plant Breeding

CO34:  Gain knowledge on the organization of genes and chromosomes

CO35:  Learn about Mendelian principles, gene mapping methods & extra chromosomal inheritance

CO36:  Familiarize about Evolution & Emergence of evolutionary thoughts

CO37: Gain knowledge on Plant breeding techniques in detail

CO38: Relates to both academia and building the necessary skills for employment specially in the field of Plant Breeding.

CO39:  Learn the techniques of Hybridization and selection methods for self-pollinated, cross pollinated plants

CO40:  Understand the role of mutations in plant breeding

 

Class lectures

Seminars

Tutorials

Group

discussions and Workshops

Question Framing

 

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects
 

 

9.00
Unit I: 
Genetic Inheritance

Mendelism, laws of inheritance, Gene interactions: allelic and non allelic; linkage and crossing over, multiple alleles, sex determination, sex linked, sex influenced, sex limited traits.

 

9.00
Unit II: 
Chromosomal variations

Chromosomal variations: Chromosomal aberrations, duplication, deficiency, inversion and translocation, changes in chromosome number: haploids, aneuploids and polyploids, autopolyploids and allopolyploids, monosomics and trisomics. Mutations- spontaneous and induced, physical and chemical mutagens , related genetic disorders- Turner’s syndrome, Down’s syndrome, Kleinfelter’s syndrome, Cri-du –chat syndrome, Triple X syndrome. 

 

9.00
Unit III: 
Gene expression:

Gene fine structure- muton, recon, cistron, introns and their role in genetics,  regulation of  gene expression in prokaryotes: lac operon and tryptophan operon, regulation of  gene expression in  eukaryotes: multigene families, histone modification, chromatin remodeling, DNA methylation, enhancers, alternate splicing , lytic and lysogenic cycle in bacteriophages. 

9.00
Unit IV: 
Extra nuclear genome

Genetics of mitochondrial and chloroplast DNA- structure, functions and inheritance, plasmids; maternal effects and cytoplasmic inheritance, cytoplasmic male sterility.  

9.00
Unit V: 
Plant Breeding

Introduction to plant breeding: Plant introduction, acclimatization domestication and plant quarantine; Methods of plant breeding; selection - mass, pureline and clonal, pedigree analysis, hybridization, heterosis and inbreeding depression

 

Essential Readings: 
  • Atherlt, AG; Girton, JR and McDonald, JF. 1999. The Science of Genetics. Saunders College Publishing. Fort Worth, USA
  • Chaudhary, HK. 1998. Elementary Principles of Plant Breeding. Oxford & IBH Publishing Co. Pvt. Ltd.
  • Chopra, VL. 2003. Plant Breeding. Oxford & IBH Publishing Co. Pvt. Ltd.
  • Devi and Pratibha. 2003. Principles and Methods of Plant Molecular Biology, Biochemistry and Genetics. Agrobios, Jodhpur.
  • Gupta, PK. 1993. Genetics and Plant Breeding. Rastogi Publications, Meerut. 
  • Mohan P. Arora and Gurdarshan S. Sandhu. Genetics, 5th revised edition. Himalaya Publishing House, Mumbai

 

References: 
  • Hartt, DL and Jones, EW. 1998. Genetics: Principles and Analysis (4th edition). Jones and Bartlett Publishers. Massachusetts, USA.
  • Hawkins. Gene Structure and Expression. Cambridge University Press, Cambridge, UK     
  • Russel, PJ. 1998. Genetics. The Benjamin/ Cummings Publishing Co. Inc., USA.
  • Sharma. 1997. Plant Breeding. Tata McGraw Hill Publishing Co. Pvt. Ltd.
  • Singh, BD. 2003. Plant Breeding. Kalyani Publishers.
  • Sinha. 1995. Cytogenetics, Plant Breeding and Evolution. Tata McGraw Hill Publishing Co. Pvt. Ltd., New Delhi.
  • Snustad, DP and Simmons, MJ. 2000. Principles of Genetics. John Wiley & Sons Inc., USA.
  • Stent, GS 1986. Molecular Genetics. CBS Publications, New Delhi.
  • Tyagi. 1996. Fundamentals of Cytogenetics, Plant Breeding and Evolution. Ramesh Book Depot, Jaipur.
  • Gardner.2000 Genetics. John Wiley and Sones Inc., USA.

 

Academic Year: 
2020-2021
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