LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
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SECOND SEMESTER – APRIL 2006
ZO 2801 – GENETICS
Date & Time : 02-05-2006/9.00-12.00 Dept. No. Max. : 100 Marks
Part A (Answer All) 10 ´ 2 = 20
- Define transfection.
- What is genetic engineering?
- Comment on direct mutagenesis.
- What is linkage?
- Differentiate nucleoside from nucleotide.
- Define DNA sequencing.
- Explain gene pool.
- Define recombination.
- List out enzymes involved in DNA replication.
- Differentiate transformation from conjugation.
Part B (Answer any four) 4 ´ 10 = 40
- Write notes on vaccination.
- Give an account of genetic counseling.
- Describe DNA replication.
- Explain DNA repair mechanism.
- Write an account on heterosis.
- Explain Hardy-Weinberg law and estimate the gene frequency in population.
Part C (Answer any two) 2 ´ 20 = 40
- Write an essay on genetic code.
- Give an account of Lac Operon hypothesis.
- Explain the production of monoclonal antibodies.
- Write an account on prenatal diagnosis.