N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Zoology, Part-I
PAPER-VI
(Cytogenetics and Microbial Genetics)
Annual Examination, 2017
Time: 3 Hours. Full Marks: 80
Answer five questions in all, selecting at least Two Questions from each Group.
All Questions carry equal marks.
GROUP
1. Describe the methods of heterokaryon selection.
2. With the help of diagram, describe the events of alternative splicing that lead to sex
determination in Drosophila.
3. Describe structural and functional organization of lampbrush chromosome.
4. Describe the sex-chromosome abnormalities of human being and also mention it syndromes.
5. Write notes on any Two of the following:—
Non-disjunction
Nucleosome organization
Squash preparation
Polytene chromosome
GROUP
6. Describe the physical mapping of chromosome.
7. Describe the separation of chromosome by flow cytometer.
8. Give an account of fingerprinting technique of DNA and is application.
9. Describe the genetic regulation of cell cycle in eukaryotes.
10. Write notes on any Two of the following:—
F-factor
Transduction
Bacteriophase
Bacterial genome