M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Second Semester
Zoology
GENETICS
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Law of segregation.
2. Polygenic Inheritance.
3. Genetic linkage.
4. Substitution.
5. Parental ditype.
6. QTL.
7. Transcription.
8. RNA processing.
9. Monozygotic twins.
10. Gene pool.
Sub. Code
4MZO2C2
AFF-4918
2
ser
Part B x 5 25)
Answer all questions.
11. What are the factors affecting polygenic
inheritance?
Or
Explain multiple alleles with an example.
12. Describe structure of chromosome with neat labeled
sketch.
Or
Write brief notes on different types of mutation.
13. Explain different types of tetrad analysis.
Or
Describe QTL mapping.
14. What are the steps involved in the control of
Eukaryotic gene expression.
Or
What are strategies involved in differential gene
expression?
15. Explain Hardy-Weinberg principle.
Or
Explain why twin study in needed and how are they
made.
AFF-4918
3
ser
Part C x 10 30)
Answer any three questions.
16. Give detailed account on Mendelian principles of
inheritance.
17. Describe Linkage and Crossing over in detail.
18. Explain types of gene mapping in detail.
19. Write detailed notes on gene expression.
20. Explain the process involved in population genetics.
————————