LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

LM 10

M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECH.

SECOND SEMESTER – APRIL 2008

    ML 2952 – ADVANCED LAB. TECHNIQUES

 

 

 

Date : 24/04/2008            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

SECTION A

Answer ALL the questions:                                                            (10 x 2 = 20 Marks)

1. What are the advantages of nucleic acid based identification methods?
2. What is VNTR?
3. Mention the characteristics of the different types of restriction endonucleases.
4. What is homopolymer tailing?
5. Define homologous chromosome.
6. What is an allele?
7. Define mutation.
8. What is mosaicism?
9. Mention the uses of DNA in forensic science.
10. List the molecular techniques used in forensic investigation.

SECTION B

Answer any FOUR of the following                                             (4 x 10 = 40 Marks)

11. Write briefly on gel electrophoresis.
12. Give the difference between southern, northern and western blotting techniques.
13. Write a brief account on plasmids.
14. How is cell culture done for karyotyping? Explain.
15. Write short notes on Prader Willi syndrome and Angelman syndrome.
16. Give a brief account on DNA databases.

SECTION C

Answer any TWO of the following                                              (2 x 20 = 40 Marks)

17. Write in detail about PCR technique.
18. Explain in detail about the quality control and quality assurance in a molecular

diagnostic laboratory.

19. Write in detail on structural chromosomal abnormalities.
20. Explain in detail about Y chromosome analysis and Mitochondrial DNA analysis.

 

 

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