GENETICS Question Papers (REG,2006)

SET 1 :

1. Explain how bacteriophage is used for Hershey and Chase experiment.

2. How is the genetic organization of Prokaryotes and Eukaryotes different?

3. What is meant by recombination? What are the different ways by which it can occur?

4. Describe a Two-point test cross in detail.

5. What is the method used in karyotyping. Explain the importance of karyotyping.

6. Describe interrupted mating experiments in Bacteria.

7. Differentiate between Autosomes and sex chromosomes.

8. Write short notes on:

a) Variegated phenotype

b) Mitochondrial inheritance.

SET 2 :

1. Explain in detail about quantitative characters and their inheritance.

2. How is the genetic organization of Prokaryotes and Eukaryotes different?

3. Write short notes on:

a) Competence factor in transformation

b) Abortive Transduction.

4. How is a Two-point test cross used for recombination mapping?

5. Write in detail about human karyotyping.

6. Write notes on:

a) Auxotrophs

b) Supplemented medium.

7. What are sex linked traits? Explain with examples.

8. Variation in Mirabilis is due to cytoplasmic inheritance-explain.

SET 3 :

1. Using suitable examples explain how typical dihybrid ratios are altered due to gene interactions.

2. Write about the chemical composition of Eukaryotic chromososmes.

3. What is meant by recombination? What are the different ways by which it can occur?

4. Explain what is meant by mitotic crossing over?

5. Write in detail about human karyotyping.

6. Differentiate between conjugation of:

a) F+ and F-

b) Hfr and F-

7. Write about x-linked and y linked characters in humans.

8. Write in detail about chloroplast and mitochondrial inheritance.

SET 4 :

1. Drawing Punnett squares explain:

a) Trihybrid cross

b) Dihybrid cross.

2. What is meant by “Chromatin”? Explain its components.
3. What are HFr strains? Discuss their importance in conjugation.
4. Describe a Two-point test cross in detail.
5. Describe the organization of Prokaryotic Genome.
6. Describe conjugation mating experiments.
7. Write about role of sex chromosomes in sex determination and development in Humans.
8. Mitochondrial inheritance mechanism differs from nuclear inheritance? Explain.