Bot. 313 GENETICS I (1+3): 2
Chromosomal variations: their origin and cytological behaviour during meiosis, effect on fertility, gene expression and speciation. Cytoplasmic inheritance and maternal effects. Genetic constitution of populations: Hardy-Weinberg Law, factors affecting gene frequency and equilibrium. Variation of gene frequencies under simplified and less simplified conditions. Continuous variation- values and means of a population. Inbreeding depression and heterosis. Genetic analysis: analysis of morphological characters and their use in chromosome mapping in dihybrid and trihybrid crosses. Tetrad analysis in Fungi.
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