BSc Biotechnology Sem IV ATKT 2014-15 Paper Ll Add Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Explain the terms (any three) Give symbols used in pedigree for (any two) of the following (02) 6 marks
2. Q1 C) Attempt (any two) of the following 12 marks
3. Q1 Observe ~ following pedigree following
4. Q1 Which individual is the proband?
   • ii. What is the mode of ; What is holandric trait? iv, What are the characteristics of the condition hypertricosis?
5. Q5 The hormone found in males for expressing secondary sexual
   • vi. are males referred as hemizygous for Y chromosome? ‘ Describe the formation of PD, NPD and TT tetrads at four strand chromatid stage for linked
6. Q3 How will you establish gene order using a three point cross, explain with a suitable example
7. Q4 Solve:- A Neurospora strain that required argenine (arg) but can synthesize methionine (met +) for growth was mated to a strain (arg+ and met) following products were obtained, ++ + met arg +. are met or false. (any two). (2) trand is known as non-template
8. Q1 The to DNA strand complementary to template s
9. Q2 The stop codons are used to specify the end of translation of a polypep of methionine known ag 3, In prokaryotes, the initiator methionine is a modified form > resulting in fMet
10. Q4 The enzyme transformylase adds the formyl group to the methionine re
11. Q11 (B) Explain the following terms. (any three) Translation. 4. Degeneracy of Code
12. Q1 L. (C) Answer (any two) of the follow ing, 1, Explain the process of Initiation of Translation in E.coli 12 marks
13. Q2 Explain the process of Elongation, Termination of Transcription in prokaryotes
14. Q3 Write in brief about the production of aminoacyl-tRNA with diagram
15. Q4 Describe the action of RNA dependent DNA Q Fill in the blanks (Any four). (4) iS as sexual differences which are clearly evident from external
16. Q2 X and Y chromosomes are called as sex chromosomes, defective
17. Q3 ribosomes consist of.,. Subunits, (Four, One, two, eight)
18. Q4 For protein synthesis, on! Mitochondria ys p y hondria use the universal” nuclear genetic code
19. Q5 The XO method of sex determination is to the XY method but the absence
20. Q6 In uniparental inheritance, all progeny have the phenotype of only. Parent. (Two, none, 7, The electron transport chain drives production by oxidative
21. Q8 In majority of birds, the sex is determined by . method.( ZW, XO, XY, XX) Q (B) Explain the following terms (any two). (4)
22. Q11 I. (C) Answer in brief (any two). 12 marks
23. Q1 How does sexual differentiation in dioecious organisms take place? Explain with a
24. Q2 Explain: chromosomal mechanism of sex determination: XX-XY method
25. Q3 Discuss: non-Mendelian inheritance in mutant of yeast
26. Q4 Give a brief note on structure, functions and replication of extranuclear DNA in
27. Q1 V. Write a note on (any Three) of the following. 15 marks
28. Q2 Environmental control of sex determination in Crepidula
29. Q3 5’ capping and 3’ poly(A) tail of mRNA
30. Q4 Termination of Translation
31. Q5 Pedigree analysis and its importance in genetic counselling

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