M.Sc. DEGREE EXAMINATION, APRIL 2018
Second Semester
Zoology
GENETICS
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
Write a short note on
1. Multiple alleles.
2. Ploygenic inheritance.
3. Chiasma.
4. Heterochromatin.
5. QTC Mapping.
6. Tetrad analysis.
7. Eugenics.
8. Euphenics.
9. TATA box
10. Promoter genes.
Sub. Code
7MZO2C2
AFS-0611
2
Wk 7
Part B x 5 25)
Answer all questions choosing either or
11. Write an account the contribution of Mendel to
Genetics.
Or
Explain the methods and applications of pedigree
analysis.
12. List and explain the different types of mutation.
Or
What are sex chromosomes? Explain their structure
and role in different organisms.
13. Brief the different types of gene mapping methods.
Or
Explain the about the mechanism and advantages
of RFLPs.
14. Explain the trp-operon model of gene expression in
prokaryotes.
Or
How the gene expression is controlled in
eukaryotes? Explain.
15. List and explain the factors affecting Hardy
Weinberg equilibrium.
Or
Explain the importance and factors affecting the
frequency of a gene pool.
AFS-0611
3
Wk 7
Part C x 10 30)
Answer any three questions.
16. Elaborate the simple Mendelian train in man.
17. Describe the structure and different types of
Chromosomes.
18. Give an account on the types and applications of linkage
maps.
19. Describe the about the mechanism, applications and
concerns of twin study.
20. Elaborate the sequential expression of genes with an
example of Drosophila.
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