B.Sc. (Biotechnology) Sem I 2022 2023 Dec 2023 BIOTECH. GENETICS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt all quections
2. Q2 All questions carry equal marks
3. Q4 Use of log tables and non-programmable calculators is allowed
4. Q5 ForQ2,Q3 and Q 4 attempt A and B OR C and D directed (Any fifteen) 15
5. Q1 Define genotype Who is considered as a father of modern genetics?
6. Q3 Name any two pairs of traits of pea plant which Mendel studied fcr his experiment 4, Individuals that contain two copies of the same specific allel of a particular gene i are said to be Hemizygous, Heterozygous) 4
7. Q5 Write down the phenotypic ratio of dihybrid cross
8. Q6 Define transmission genetics
9. Q7 State True or False: Flower color in the snapdragon plant ‘s an example of
10. Q8 Define prototroph
11. Q9 If a bacteria is not able to synthesize leucine, able to synthesize glutamate and able to metabolize lactose then the genotype will be represented as
12. Q10 Define Lysogeny
13. Q11 What is a minimal medium?
14. Q12 originate by a rare event in which the F factor integrates into the
15. Q13 Plasmids such as F that are also capable of integrating into the bacterial
16. Q14 is a branch of genetics which deals with the genetic variation within and among the populations
17. Q15 If 46% of the population have brown hair, then what is the frequency of the people in the population who do not have brown hair? (4.6,0.54,5.4)
18. Q16 Write one miethod to calculate Allele frequency, Which of the following Statements is false about Hardy-Weinberg law?
    • a. The population should be infinitely large
    • b. Change in the 8enot ype would result in change in allele frequency Population should be the Mendelian population,
    • d. There is no relation between evolution and natural selection
19. Q18 of the following is a type of Speciation? (Temporal, Prezygotic, peri patric) The sum of frequencies equalsto (0,1,2)
20. Q2 A Writea short note on how different environmental factors will affect the phenotype of the gene 9 marks
21. Q2 B Explain what is pedigree analysis? Summarize and explain all the basic symbols used in pedigree analysis 7 marks
22. Q2 C In Jimsonweed, Purple flower (P) is dominant to white (p), and spiny pods (S) are do:ninant to smooth (s). in a czoss between a jimsonweed homozygous for purple flower (P) and spiny pods (S) and hemozygous for white flower (P) and smooth pod 8 marks
    • (s), the Phenotype and genotype of and F2 generation with the help of dihybrid cross and explain law of independent assortment,
23. Q2 D Explain Probability and their rules and represent the monohybrid cross with the help of a branch diagram 7 marks
24. Q3 A Explain the Process of conjugation, 8 marks
25. Q3 B account of Transformation 7 marks
26. Q3 C Give an account of the Lederberg and Tatums which Provided evidence 8 marks
27. Q3 D Explain the Lytic cycle of bacteriophage. 7 marks
28. Q4 A Calculate the allele and genotype frequency for the data of human MN blood with the help of following details VCD/ GENETICS 75 Marks Explain in brief about Speciation. 07 8 marks
29. Q4 C Calculate the gcaotype and allele frequency for the data received from genetic variation in Milkweed beetles for the locus that codes for the enzyme 1 Explain genetic drift in detail Write short note on any three of the following 15 a Assumptions of hardy-Weinberg law 8 marks

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