Monday, 8 October 2018

Chapter -2 Genetics and Mutations

Laws of heredity. 

  1. segregation
  2. independent assortment
  3. Mendilian inheritance and exceptions


Chromosome structure, chromosomal aberrations, 
linkage and cross-over, and their significance in recombination breeding. 
Polyploidy, euploids and aneuploids. 
Mutations - and their role in crop improvement. 
Heritability
sterility and incompatibility, classification and their application in crop improvement. 

  1. genetic male sterility
  2. cytoplasmic male sterility
  3. cytoplasmic genetic male sterility
  4. transgenic male sterility
  5. chemically induced male sterility

Cytoplasmic inheritance, 
sex-linked, sex-influenced and sex-limited characters.

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