GENETICS Question Papers (SUPPLE,2008)

iyisSET 1 :

1. What is meant by epistasis? Explain citing examples.

2. Justify that Prokaryotic genetic organization is simpler compared to euchromatic genetic organization.

3. Describe the process of Transformation in bacteria.
4. With respect to used for recombination mapping? Explain what are parental di-types, non-parental ditypes and Tetratypes?
5. Write in detail about human karyotyping.
6. Differentiate between conjugation of:
1. F+ and F-
2. Hfr and F-
7. What is Marylon hypothesis? Write in detail.
8. Write notes on uniparental inheritance.

SET 2 :

1. Explain how bacteriophage is used for Hershey and Chase experiment.
2. How is the genetic organization of Prokaryotes and Eukaryotes different?
3. What are meant by the terms “Linkage” and “Recombination” in relation to each other?
4. Describe a Two-point testcross in detail.
5. Write notes on:

1. Translocations
2. Inversions

6. Explain the mechanism of sex determination in Drosophila.
7. Write about role of sex chromosomes in sex differentiation and development in Humans.
8. Variation in Mirabilis is due to cytoplasmic inheritance-explain.

SET 3 :

1. What is meant by Epistasis? Explain citing suitable examples.

2. How is the DNA packed in Eukaryotic chromosomes?

3. Discuss about the genetic basis of bacterial lysogeny.

4. Describe a Two-point testcross in detail.

5. Write notes on:

a) Histones

b) Heterochromatin

6. Describe conjugation mating experiments.

7. Write notes on:

a) Sex linked traits

b) Haemophilia.

8. Write in detail about chloroplast and mitochondrial inheritance.

SET 4 :

1. Write short notes on:

a) Codominance

b) Incomplete dominance

c) Dominance

d) Multiple alleles.

2. Explain how long strands of DNA are condensed into chromosomes?

3. Which event in Meiosis acts as the principle basis of Recombination?

4. What is the difference between a meiotic and mitotic crossing over?

5. Write short notes on:

a) Banding

b) Karyotyping

6. Explain the mechanism of sex determination in Drosophila.

7. Differentiate between Autosomes and sex chromosomes.

8. Write about petite phenotypes in yeast