SylbV01-00-00. pmd

Unit V
Molecular diversity analysis, methods for mapping QTL.
VI. Practical
• Genotypic and phenotypic variance in forest trees;
• Detection of linkage in coupling;
• Proof that gene and genotypic frequencies remain constant in random mating
populations;
• Stability analysis- Eberhart and Russel Model (1966)- Perkins and Jinks Model
(1971);
• Problems on demonstrating the effects of selection, mutation, migration and genetic
drift in random mating population through graphs. Simple scaling tests. Joint
scaling tests;
• Heritability estimation (Analysis of variance, parent offspring correlation and
regression).Heritability in narrow sense estimation;
• Line X Tester analysis;
• Diallel analysis.
• Calculation of genotypic and phenotypic correlations;

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Forestry–Forest Biology and Tree Improvement
607
• Path analysis;
• Discriminant function. D
2
Statistics;
• Principal component analysis;
• Diversity analysis based on RAPD/ SSR.
VII. Suggested Reading
Mather K and Jinks JL. 1971. 
Biometrical Genetics
. Champman and Hall, London.
Singh RK and Chaudhary BD. 1985. 
Biometrical Methods in Quantitative Genetical Analysis
.
Kalyani Publishers, New Delhi.
White TL, Adams WT and Neale DB. 2007. 
Forest Genetics
. CABI.
Lecture Schedule
Sr. No.
Topic
No. of Lecture (s)
Theory
1.
Concepts inquantitative genetics, quantitative inheritance,
historical aspects
1
2.
Galton (1869) methods for studying quantitative traits,
qualitative and quantitative traits and their inheritance,
property of nuclear born genes (segregation and linkages)
2
3.
Linkage between major gene and polygenes. Evidence that quantitative
trait is inherited in Mendalian Fashion. Nilsson Ehle (1908) multiple
factor hypothesis. East (1916) experiment on 
Nicotiana longifera
2
4.
Genetic components of continuous variation gene models (additive,
dominance, epistasis) features of additive gene action, features of
non-additive gene action, genetic variance in F
2
population in
various gene models
3
5.
Important principles established by NCSU (North Carolina State
University) for forest Tree Improvement, Origin of variation,
estimation of hereditary parameters, variance derivation in
F
2
and backcrosses. Genotype X environment interaction,
its measurement and significance
3
6.
Concepts of heritablility and genetic advance.Random
mating in forest trees, their population structure and response to
selection
1
7.
Quantitative genetics in relation to efficient breeding methodology –