Bangalore University 2008 M.Sc BioTechnology BTP 102: Genetics - Question Paper

first Semester M.Sc. Degree Examination, January 2008
Biotechnology
BTP 102 : Genetics

Time:3Hours Max. Marks: 80

part A

write brief notes on any 5 of the following: [5*3]

1.Supercoiled loops.

2.Barr bodies.

3.Transduction.

4.Solo LTRs.

5.Ame's test.

6.Epistasis.

7.Genomic imprinting.

part B

ans any 4 of the following: [4*5]

8.Describe the structural organization of adenovirus.

9. discuss the salient features of the genome of Archeaa.

10.Briefly discuss the mechanism of dosage compensation in Drosophilla.

11.Give an account of different factors leading to speciation.

12.Write an account on the transposition of Tn three elements.

13.Explain the molecular evolution of homologous genes.

part C

ans any 3 of the following: [3*15]

14.Describe in detail the organization of DNA in the nucleosomes.Add a note on experimental evidences.

15.Describe the genomic organization of Arabidopsis thaliana.

16.Describe the mechanism of recombination. Add a note on the role of Rec-A

17.Discuss the role of controlling elements in the striping and spotting of maize kernels.

18.Describe the molecular basis of spontaneous mutations.

Earning:   Approval pending.