MSc. DEGREE EXAMINATION. NOVEMBER / DECEMBER 2014.
FIRST SEMESTER
Zoology
Paper II -- GENETICS AND EVOLUTION
(New Regulation)
Maximum 75 marks Time Three hours
(No additional sheet will be supplied)
PART A (5 x3 =15 marks)
- Answer any FIVE questions
- Each answer carries 3 marks
- Each answer should not exceed 1 page
1. Multiple Alleles
2. Lethal Genes
3. Eugenics
4. Punctuated Equilibrium
5. Amniocentesis
6. Karyotype
7. N.Y Sex linkage
8. Gene mapping
PART B -(4 x 15 = 60 marks)
Answer ALL questions.
Each answer carries 15 marks
Each answer should not exceed 6 pages.
9. (a) What are the Mendelian principles? Explain with illustrated examples.
Or
(b) Define Mutation. Describe different kinds of mutations with working examples.
10. (a) What are the different types of abnormalities in chromosomes? Explain this with two examples.
Or
(b) Describe the sex linked inheritance with illustrated examples.
11. (a) Define organic Evolution. Compare and contrast the Darwinism and Lamarckism.
Or
(b) What is Speciation? Explain with examples the Allopatric and Sympatric speciation.
12.(a) Describe Genetic Drift. Explain its role in Evolution.
Or
(b) Compare and Contrast the Micro and Macro Evolution.
