Cytology and Genetics

Paper Code: 
BOT 122
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

To study the Mendelian as well as modern aspects of genetics with Cytogenetics.

 

12.00
Unit I: 
Chromatin organization

 Chromosome structure, molecular organization of centromere and telomere, SMC proteins-Cohesin and Condensin proteins, cot curve, Repetitive DNA, DNA methylation, specialized types of chromosomes: polytene and lampbrush, B-chromosomes.

                                                                                                                                                                                                            

12.00
Unit II: 
Genome anatomies

 Genomes of Virus, Bacteria and Eukaryotic organisms; mobile genetic elements, transformation, conjugation and transduction in bacteria, cytoplasmic male sterility, Structural and numerical alternations in chromosomes, Robertsonian translocations, B-A translocations, Alien gene transfer-examples from TriticumArachis and Brassica                

 
12.00
Unit III: 
Gene structure and expression

 Fine structure of gene, translation, Regulation of gene expression in prokaryotes and eukaryotes, significance of introns, Panoply of operon, catabolic repression, attenuation and antitermination, Gene silencing: RNAi, Antisense RNA.

                                                                                                                                                                                                         

12.00
Unit IV: 
Mutations

Spontaneous and induced mutations, physical and chemical mutagens, molecular basis of gene mutations, transposons, site-directed mutagenesis, proto-oncogene and oncogenes, Sex determination, Sex linked inheritence, Sex limited characters    

12.00
Unit V: 
Molecular Cytogenetics

 

 Genetic mapping, genetic markers-RFLP, RAPD, SNPs.                                              Physical mapping- Restriction mapping, STS mapping and FISH

 
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. Plant Breeding. Rastogo Publications, Meerut. 
  • 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
  • Kaushik, P. 2006. Cytology, Genetics & Evolution. Faculty of Distance Education, Gurukul Kangri University, Haridwar.
  • 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.
  • Srivastava and Tyagi. 1997. Selected Problems in Genetics Vol.III. Anmol Publications, New Delhi.
  • Stent, GS 1986. Molecular Genetics. CBS Publications, New Delhi.
  • Tyagi. 1996. Fundamentals of Cytogenetics, plant Breeding and Evolution. Ramesh Book Depot, Jaipur.

 

 

 
 

 

 

 

References: 
Pandey, BP and Trivedi, PC. 1997. Botany Vol. I(10th edition). Vikas Publishing House.
  • Pandey, BP; Misra; Trivedi, PC. 1997. Botany Vol. II. Vikas Publishing House.
  • Pandey, BP and Chadha. 1997. Botany Vol. III. Vikas Publishing Hous
Academic Year: