M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Second Semester
Zoology
GENETICS
(CBCS 2012 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
Write short note on the following
1. Law of Segregation
2. Multiple Alleles
3. Aneuploidy
4. Tetrad analysis
5. Operator
6. Intron
7. Origin of species
8. Polymorphism
9. Gene pool
10. Founder effect.
Sub. Code
1MZO2C2
AFC-10571
2
WK16
Part B x 5 25)
Answer all questions, choosing either or
11. List out the scope of genetics with present
applications.
Or
Explain about the di hybrid cross with a suitable
example.
12. Brief about the different methods used for
chromosome mapping.
Or
Write an account on polyploidy with examples.
13. Brief about the process of gene expression in
eukaryotes.
Or
Explain about the lac-operon model.
14. Justify the theory of natural selection with
examples.
Or
List and explain about the non-genetic variations in
animals.
15. Write a short account on molecular clocks.
Or
Explain about the tools used for phylogeny analysis .
AFC-10571
3
WK16
Part C 10 30)
Answer any three questions.
16. Describe about the process of sex determination in
animals.
17. Write an essay on gene mapping methods.
18. Discuss about the role of gene regulation in development
and differentiation.
19. Describe about the role of genetics in the origin of multi
cellular organisms.
20. Give a detail account on Hardy Weinberg law.
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