Biosystematics, taxonomy & evolution

Paper Code: 
ZOL 121
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
10.00
Unit I: 
UNIT I

Definition and basic concepts of biosystematics and taxonomy

  • Importance and applications of biosytematics in biology
  • Material basis of biosystematics-different attributes
  • Trends in biosystematics-

        Chemotaxonomy

        Cytotaxonomy

        Molecular taxonomy

 

15.00
Unit II: 
UNIT II

Dimensions of speciation and taxonomic characters  

  • Dimensions of speciation – types of lineage changes,  production of additional lineage
  • Mechanisms of speciation in panmictic and apomictic species
  • Species concept- Species category, different species concept, subspecies and other infra specific categories
  • Theories of Biological classification , Hierarchy of categories

Taxonomic characters – different kinds, origin of reproductive isolation

15.00
Unit III: 
UNIT III

Procedure keys in taxonomy

  • Taxonomy procedures-Taxonomic collections, preservations, curetting process of identification
  • Taxonomic keys-Different kinds of Taxonomic keys, their merits and demerits
  • Systematic publication-Different kinds of publications
  • Process of typification and different zoological types
  • International code of Zoological nomenclature (ICZN) – its operative principles, interpretation and application of important rules, Zoological nomenclature, formation of scientific names of various taxa.
  • Evaluation of biodiversity indices:
  • Shannon-Weinner index, dominance index

 

10.00
Unit IV: 
UNIT IV

Concept of evolution and theories of organic evaluation with an emphasis on Darwinism.

  • Micro and Macro-evolution
  • Neo-Darwinism
  • Hardy –Weinberg law of genetic equilibrium
  • A detailed account of Destabilizing forces:

(i) Natural selection

(ii) Mutation

(iii) Genetic drift

(iv) Migration

(v) Meiotic drive

 

 

10.00
Unit V: 
UNIT V

Genetics of quantitative traits in populations

  • Analysis of quantitative traits
  • Quantitative traits and natural selection
  • Genotype-environment interactions
  • Inbreeding depression and heterosis
  • Molecular analysis of quantitative traits
  • Phenotypic plasticity
  • Molecular phylogenetics
  • How to construct phylogenetic trees
  • Phylogenetic inference-Distance methods, parsimony methods, maximum likelihood method
  • Immunological techniques

 

Essential Readings: 
  • Principal of animal taxonomy; G.G Simpson; Oxford IBH Publication Co.
  • Elements of taxonomy; E.Mayer; 
  • The diversity of life (The College Edition), E.O.Wilson. W.W.Northern & Co.
  • Threatened Animals of India, B.K.Tikadar. ZSI Publication, Calcutta.
  • Genetics and Origin of Speices. Dohnzhansky, Th., F.J.Alaya, G.L.Stebbines and J.M.Valentine. Surjeet Publication, Delhi.
  • Evolutinary Biology, Futuyamma, D.J.Suinuauer Associates, INC Publishers, Sunderland.
  • A Primer of Population Genetics. Hart,D.L.suinuaer Associates, Inc, Massachusetts.
  • Genes and Evolution. Jha A.P.John Publication, New Delhi
  • Species Evolution-The role of chromosomal change. King,M. Cambridge University Press, Cambridge.
  • Evolution and Genetics Merral, D.J.Holt, Rinchart and Winston, Inc.
  • Evolutinary Genetics. Smith,J.M. Oxford University Press, New York.
  • Evolution. Strikberger, M.W.Jones and Barlett Publishers, Boston London

 

Academic Year: 
2015-2016
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