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Pune University - MSc - II (Sem - III) : Genetics Molecular Biology & , April 2010

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Total No. of Questions : 8] [Total No. of Pages : 2 P1045 [3727] - 307 M.Sc. - II BOTANY BO - 3.35: Genetics Molecular Biology and Plant Breeding - I (Sem. - III) (New 2008 Pattern) (Special paper - I) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) Answer any five questions, selecting atleast two questions from each section. 2) Answers to the two sections should be written in separate answer books. 3) 4) All questions carry equal marks. Neat diagrams must be drawn wherever necessary. SECTION - I 1 ) Describe the structural and organizational complexities in eukaryotic chromosomes. 2 ) Explain the mechanism of genetic recombination in viruses. 3 ) What are haploids? Give their importance and describe the methods for their production. 4 ) Give a brief account of any two: a) Chi square test. b) Transmission genetics. c) Karyotype evolution. , P.T.O. SECTION - II 5) Describe the steps in production of hybrid seeds by using manual emasculation method. 6 ) What are mutations? Describe handling of mutagen treated material and M1,M2 progenies 7) ) b) Give significance of correlations in plant breeding. Describe salient features of lampbrush chromosome. 8 ) Write notes on any two of the following ) objectives of plant breeding. b) Satellite DNA. c) Conjugation in bacteria. ***** [3727] - 307 -2-

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Additional Info : M.Sc. - II BOTANY, BO - 3.35 : Genetics Molecular Biology and Plant Breeding (Special paper - I) (New 2008 Pattern) (Semister - III), Pune University
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