DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2016.
GENETICS AND EVOLUTION
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE of the following questions,
each in about 300 words.
1. Explain the lethal genes.
2. Write short notes on inborn errors of metabolism. Explain
with at least three examples.
3. Give an account on translocation.
4. Write short notes on linkage and crossing over.
5. Give an account on chromosomal aberrations.
6. Define micro evolution and their patterns.
7. Explain in detail about the supressor mutation.
8. Give an account on phylogenetic tree and its significance.
SECTION B — × 15 60 marks)
Answer any FOUR of the following questions,
each in about 500 words.
9. Enumerate the salient features of chromosome mapping
in eukaryotes with suitable example.
10. Briefly describe the special types of chromosomes.
Sub. Code
13
DE-3931
2
wk7
11. Give an account of the salient features of polyploids.
12. What is Mutation? Write an essay about different types of
mutations.
13. Describe the characterization of human chromosomes on
the basis of different banding techniques.
14. Explain in detail about the chromosomal abnormalities.
15. What is evolution? Describe the evolution of various gene
families.