Animal Breeding and Transgenic Animal problems
- 1. Transgenic goats produce a variant of human tissue type plasminogen activator protein in
Options- A. blood
- B. urine
- C. milk
- D. muscles Discuss
Correct Answer: milk
- 2. Which of these established cell lines originate from a mouse embryo?
Options- A. 3T3
- B. BHK
- C. HeLa
- D. BTK Discuss
Correct Answer: 3T3
- 3. When the cells are enucleated and centrifuged, nuclei
Options- A. detach from cell and settle at the bottom
- B. detach from cell and remain in the supernatant
- C. nuclei remain attached to the cell
- D. none of the above Discuss
Correct Answer: detach from cell and settle at the bottom
- 4. Which of the following statements is false?
Options- A. Continuous variation produces a spread of variation within a population
- B. Discontinuous variation is the result of genetics alone
- C. Blood group is an example of discontinuous variation
- D. Discontinuous variation is influenced by the environment Discuss
Correct Answer: Discontinuous variation is influenced by the environment
- 5. Enucleation of the cells can be achieved by treating the cells with
Options- A. polyethylene glycol
- B. cytochalasin B
- C. both (a) and (b)
- D. alcohol Discuss
Correct Answer: cytochalasin B
- 6. Which of the following gene have been introduced into the transgenic fish?
Options- A. Human or rat gene for growth hormone
- B. Chicken gene for delta crystalline protein
- C. E. coli gene for ?-galactosidase
- D. All of the above Discuss
Correct Answer: All of the above
- 7. Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
Options- A. Chromosomes
- B. Chromatogram
- C. Chromatography
- D. Chromium Discuss
Correct Answer: Chromosomes
- 8. Karyoplast is
Options- A. cells devoid of cell wall
- B. nuclei
- C. nuclei with only some residual plasma membrane
- D. cell with nucleus Discuss
Correct Answer: nuclei with only some residual plasma membrane
- 9. DNA into fish is injected into
Options- A. pronuclei
- B. cytoplasm
- C. both (a) and (b)
- D. none of these Discuss
Correct Answer: cytoplasm
- 10. When a fertilized egg cell develops into an embryo, the entropy of the living system
Options- A. decreases
- B. increases
- C. remains constant
- D. none of these Discuss
Correct Answer: decreases
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