Loyola College M.Sc. Zoology April 2003 Genetics Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

M.Sc. DEGREE  EXAMINATION  – ZOOLOGY

second SEMESTER  – APRIL 2003

ZO 2801 / Z  823 genetics

21.04.2003

1.00 – 4.00                                                                                          Max: 100 Marks

 

 

PART –  A                                      (10 ´ 2 = 20 Marks)

Answer ALL questions.

 

  1. What is Nuclein?
  2. What is clone?
  3. Explain artificial insemination.
  4. Write the function of correndonuclease.
  5. Define linkage.
  6. What is termination codon?
  7. Define hardy-Weinberg law.
  8. Explain transduction.
  9. Comment on Vaccines.
  10. What are Teratogens?

 

PART – B                                        (4 ´ 10 = 40 Marks)

 

Answer any four of the following.

 

  1. Explain hybridization and Heterosis.
  2. Write notes on recombination.
  3. Describe the mechanism of crossing over.
  4. Give an account of DNA replication.
  5. Explain the significance of Interferon.
  6. Describe the structure of DNA.

 

PART – C                                        (2 ´20 = 40 Marks)

Answer any two of the following

  1. Define transformation. Explain the process and uptake of DNA
  2. Write any essay on prenatal diagnosis.
  3. Give an account of genetic code.
  4. Explain sex determination in Drosophila and man.

 

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